(The Real) Fantastic Beasts and Where to Find Them - Giants

This article was originally published by Youth Time International Magazine

In this edition of (The Real) Fantastic Beasts and Where to Find Them we take a closer look into the giants of the natural world. From megafauna roaming Africa’s vast savannas to the creepy critters that lurk the forest undergrowth, discover more about the Goliaths of each taxonomic class and learn where to best locate them.

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Largest Land Mammal: African Bush Elephant

The African Elephant has been classified into two subspecies, namely the African Bush Elephant and the African Forest Elephant. The former is the largest terrestrial animal on earth with the latter in third - after the Asian Elephant. With an average height of 3.3 metres and a mass of 6 tonnes, the African Bush Elephant towers over all others in the family. The largest elephant ever recorded was a bull (male) in Angola. He weighed in at 11 tonnes, and was nearly a meter taller than the average elephant. Due to illegal poaching for their ivory, habitat destruction, and human-wildlife conflict, elephant numbers have dwindled over the past few centuries making them vulnerable to extinction. Among the best places to witness the African Bush Elephant in its natural habitat are the Okavanga Delta, Botswana and the Addo Elephant Park in South Africa.

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Largest Marine Mammal: Blue Whale

Not just the largest of all marine mammals, but claiming the title of largest creature ever to inhabit the Earth, the Blue Whale can grow to lengths of up to 30 metres and weigh up to 180 tonnes. Comparable in size to a small car, they have the largest heart of any animal and possess tongues that can weigh more than an elephant! Due to commercial whaling, their numbers depleted significantly throughout the 19th and 20th centuries, but their population has steadily increased since being protected worldwide from 1966. The IUCN estimates the Blue Whale population at between 10,000 – 25,000 individuals with the best chances of observing these colossal beasts off the coast of Dondra Point in Sri Lanka.

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Largest Bird: Ostrich

The largest of all birds by some distance, the Ostrich can grow up to 2.8 metres in height and weigh close to 145kg (that’s the weight of two average adult humans!). To add to its repertoire, they also boast the fastest land speed of any bird – reaching speeds of up to 70 km/h – and lay the largest eggs of any living bird. Furthermore, along with the largest squids in the ocean, they have the biggest eyes in the entire animal kingdom. Females tend to be about 2/3 the size of males and sport a brown/grey plumage with the males exhibiting black and white feathers. It is thought to be a camouflage technique to evade predators during breeding season whereby the female will sit on the eggs during the day, with the male taking on the responsibility at night. For the best chances of spotting them in the natural environment, head to Oudtshoorn, South Africa which has been aptly named the Ostrich capital of the world.

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Largest Reptile: Saltwater Crocodile

The Saltwater Crocodile is a prehistoric looking reptile that is also known as the estuarine crocodile, sea crocodile, and more informally, saltie. The males grow up to sizes that far exceed that of females, typically reaching up to around 5-6 metres in length and weighing nearly a tonne. Owing to their ability to dwell in a wide range of habitats, these menacing characters have the broadest distribution of any extant crocodile species. In fact, their range spans from the eastern coast of India through to northern Australia. Well known Saltwater Crocodile hotspots include Daintree River in Far North Queensland, and Cahills Crossing, Kakadu National Park, Northern Territory – both located in Australia. Always practice extreme caution when heading out to spot these highly aggressive critters.

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Largest Bony Fish: Mola Mola

The largest of all fishes is actually the cartilaginous whale shark, but since we’ve already covered this species in the Fantastic Beasts series, we decided to shed some spotlight on the largest of the bony fish – the Mola Mola, or, Ocean Sunfish. These odd looking marine animals are often as tall as they are long, with specimens growing up to 3.2 metres in height! The weight of mature Mola Mola can differ greatly, ranging between 250kg to a tonne. Due to the high levels of bycatch observed in many fisheries around the world, Mola Mola has been listed as vulnerable on the IUCN Red List. Their range is circumglobal and there are many operators that offer the chance to dive with Mola Mola, including those based in the Nusa Penida, Indonesia and Oban, Scotland. The Galapagos Islands are also well known for spectacular diving experiences with these gigantic ocean dwellers, among other aquatic animals.

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Largest Amphibian: Chinese Giant Salamander

The most vulnerable to extinction of all animals in this article and the largest of all amphibians, the Chinese Giant Salamander is considered “a living fossil”. Endemic to rocky mountain streams and lakes in China, their numbers have fallen by as much as 80% since the 1950s due to pollution, habitat loss, and use in traditional Chinese medicine. As most Chinese Giant Salamander stop feeding at water temperatures exceeding 20 °C, the species is also highly vulnerable to the effects of global warming. While they rarely reach such lengths in the present day, the Chinese Giant Salamander has been known to grow to as long as 1.8 metres and reach up to 50kg! Spotting them in the wild is a tall order, but doing so would likely happen in the basins of the Yangtze, Yellow and Pearl Rivers within China.

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Largest Insect: Wētāpunga

Unless you’re a diehard entomologist, you probably won’t be planning a trip to spot the world’s largest insect, the wētāpunga any time soon. Endemic to the arboreal forests situated on Little Barrier Island off the coast of New Zealand, these giant crickets can reach lengths up to 7.5 cm and weigh more than a small sparrow! They are heavily predated on by birds (especially saddlebacks) and kiore rats, and in tandem with their restricted distribution this has led them to become listed as a vulnerable species on the IUCN Red List. Note that the heaviest insect in the world is the Goliath Beetle.

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Largest Arachnid: Goliath Birdeater

The Goliath Birdeater is the thing of nightmares for any sufferer or arachnophobia. These enormous blond tarantulas are largest arachnids both by size and weight but second to Laos’ giant huntsman spider by leg-span. The Goliath Birdeater boasts a body length of up to 11.9 cm and can weigh as much as 175g. Their fangs are long enough to penetrate human skin, but seldom do they attack people and when they do, it is almost always in self defence. Further, despite carrying venom it is relatively harmless to humans, comparable to that of a wasp sting. Their diet consists mainly of large arthropods, worms and amphibians, but they have been known to prey on rodents, lizards, snakes, and, as their name suggests, birds! The Goliath Birdeater lives in deep burrows found in marshy and swampy areas of the Amazon Rainforest in northern Brazil and southern Venezuela. However, you’re more likely to find this nocturnal critter dead and served as part of the local cuisine!

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Largest Crustacean: Japanese Spider Crab

Not just the largest of all crustaceans but the biggest arthropod (insects, arachnids, myriapods, and crustaceans) that scuttles the planet, the Japanese Spider Crab can reach up to 5.5 meters from claw to claw and weigh as much as 19kg. Adults are found at depths between 50-600 meters below the water surfaces off the southern coasts of the Japanese island of Honshū, making the species very difficult to observe in the wild. In fact, the only chance you’re ever likely to encounter them in the wild is when they are unrecognizable – shortly after hatching. You may well have brushed past thousands of Japanase Spider Crabs without even knowing it if you’ve ever gone swimming in the waters off the coast of Japan!

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Other Natural World Giants

• Tallest animal: Maasai Giraffe (5.5 metres/1.2 tonnes)

• Largest land carnivore: Polar Bear/Kodiak Bear (3 metres/450kg)

• Largest marine carnivore: Sperm Whale (12 metres/57 tonnes)

• Largest fish: Whale shark (12.5 metres/21.5 tonnes)

• Largest mollusk/invertebrate: Colossal Squid (14 metres/495kg)

• Largest wingspan: Wandering Albatross (3.65 metres)

• Heaviest flying bird: Kori Bustard (18kg)

• Longest marine animal: Lion’s Mane Jellyfish (55 metres)

• Longest land animal: Reticulated Python (7.67 metres)

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All photos Shutterstock. Graphics by Leigh Woods

Happy World Orangutan Day!

Earlier this year, I had the opportunity to observe these incredible and critically endangered primates in the Gunung Leuser ecosystem, Sumatra, Indonesia.

Combining my passion for wildlife with basic design skills, I've started creating infographics demonstrating the plight of some of the most iconic animals to roam the planet, starting with the world's largest arboreal mammal, the orangutan!

Birds of Kigali

Recently, I wrote a blog post about commonly spotted bird species in Akagera National Park (A Beginners Guide to Birding in Akagera). The article proved rather popular, so I thought, why not write one on birdlife in Kigali?

As Rwanda's capital becomes increasingly metropolitan, it's hard to imagine such a place could be brimming with wildlife. From the bustling city centre streets to the serene wetland suburbs, Kigali is teeming with feathered friends. Nyaraturama lake is one place I'd highly recommend for birders. Here, you'll find all manner of aqua-happy species including white-faced whistling duck, red-billed teal, and even pygmy kingfisher!

However, this post contains a list of birds that city dwellers have good to high chances of spotting, even in their own back yard. If you don't have a garden of your own then don't despair! You're just as likely to see many of these birds while out running errands or perhaps dining al fresco.

Red-billed Firefinch

A common and widespread resident of Kigali, the Red-billed Firefinch is a petite red and brown bird of the Estrildidae family. As their name suggests, the bill is a pinkish-red colour. The female has a largely dull brown plumage with red markings on the sides of the face and rump. The male, however, is mostly red with brown plumage restricted mainly to the wings. Both sexes may show small, faint white spots at the sides of the breast.

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Variable Sunbird

A dainty little nectar-feeder with the male easily recognizable for its shiny colourful plumage and long curved bill. Females are similar in shape but with dull brown/grey plumage. Sunbirds are often confused with hummingbirds, but the latter are restricted to the American continents, while the former are widespread across Africa and Asia. According to Wikipedia, Rwanda is home to 26 species of sunbird. The Variable Sunbird is probably the most common and widespread.

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Yellow-billed Kite

Spend five minutes in Kigali, and I can guarantee you'll spot this medium-large sized raptor. They're most commonly observed in flight, and are distinguishable for their angled wings and long slightly forked tail. Yellow-billed Kites are considered a subspecies of Black Kites, but their plumage is mostly dark brown. It's not uncommon to spot these birds roosting in large flocks across many different habitats including towns, villages and open country.

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Ross's Turaco

A striking deep-blue glossed bird that looks entirely out of place in the city. You'll know this bird when you see it. Easily distinguishable features include a bulbous bright-yellow bill and eye patch along with brilliant crimson crest and outer wings. The Ross's Turaco is a fruit-eating bird and in Kigali, has been spotted mainly in mature gardens containing trees that suit their dietary requirements. This spectacular species often duets with a series of musical growls.

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Green-winged Pytilia

These plucky little characters are brightly coloured waxbills and very common residents of Kigali. They're usually found feeding on the ground in pairs or small groups. A sexually dimorphic species with males having a red face and breast band. Both sexes have a small red bill, olive green wings and a red tail. Green-winged Pytilia are a very vocal species, using a persistent series of chips, squeaks, and nasal notes.

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Hamerkop

A surprisingly common yet extraordinary water bird that has its own taxonomical family. Easily identified from any other bird by its unique shape which includes a long crest and flattened bill that give off a hammerhead appearance. These medium-sized dull-brown waders build enormous tree nests and have been known to share them with other species including Grey Kestrel and Egyptian Goose.  They are considered magical or birds of ill omen by the superstitious.

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Cinnamon-chested Bee-eater

You could be forgiven for mistaking this species with its smaller cousin, the Little Bee-eater. While they do look very similar, the Cinnamon-chested Bee-eater is quite a lot larger. They belong to a family of easily identifiable birds with signature long curved bills and black eye masks. This species has dark green upper parts and deeper rufous-cinnamon below. Pairs and small groups are quite common in gardens, where they generally perch high up in tree canopies.

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Red-cheeked Cordon-bleu

Another small and attractive garden bird and a member of the waxbill family. Their plumage is mostly brown and powder blue and they're often spotted feeding on the ground in pairs or small groups. Like Green-winged Pytilia, the males and females possess non-identical plumage, but the difference is slightly more subtle in this species. Males have a small red patch on the cheek that the females do not exhibit. Their contact call is an often-repeated high-pitched siii siii...

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Pied Crow

Many people think of crows as boring birds and even pests. While they do have a tendency to go through your garbage and make a total mess of your outdoor spaces, the corvids are some of the most intellectual animals on the planet. Like just about any species with "pied" in its name, this crow has a boldly marked and distinctive black and white plumage. Their variable calls include both long and short caws in flight, but while perched may utter a deeper call.

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Tawny-flanked Prinia

In terms of plumage, the Tawny-flanked Prinia is relatively inconspicuous but they are busy little birds! A small warbler which frequently cock and wave their long tails from side to side. Typically, they are pale-brown/grey but have a distinctive black eyeline and obvious pale supercilium (the plumage feature some birds have which is a stripe running from the base of its beak and runs above the eye). Very common garden bird and often seen in pairs.

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Photo by servalpaul

Hadada Ibis

Ever been woken up in the early morning by an annoying and repetitive haa haa ha-aaa? This incredibly noisy bird is so named for its varying bugled and onomatopoeic calls. They are a stocky and predominately dark ibis with green/purple glossed wings and short legs. Pairs and flocks are common and widespread mainly around the suburbs, but it is not unusual to spot them perched in trees located close to the city centre.

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Lesser-striped Swallow

Quite a large swallow and fairly common, this species is strongly marked and richly coloured with an extensive bright rufous cap and heavy black and white streaking on the underparts. Sexes are similar, but females tend to have shorter outer-tail streamers. Singing in flight is common, but they're most vocal when perched. These resourceful birds build bowl shaped mud nests on the undersides of suitable structures such as buildings, caves, and tree branches.

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Pin-tailed Whydah

Beautiful little birds, but don't be fooled by their endearing nature! This species is a brood parasite, laying their eggs in the nests of a variety of waxbill species. Breeding males have a striking black and white plumage, a red bill and very long, narrow black tail. Non-breeding males are similar in appearance to females. They have a boldly patterned head but relatively bland colours on the lower body. This species is the commonest and most widespread of all whydahs in east Africa.

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Brimstone Canary

A small finch with mostly greenish yellow and brown plumage. Easily confused with the Yellow-fronted Canary, but has a heavier pinkish horn bill. They also possess a far lighter malar (cheekbone) stripe than their canary cousins. The rump and mantle are both green with dark streaking. Pairs or singles are commonly spotted in city gardens and their songs vary from a fairly rapid high-pitched chirping, to sweeter, varied refrains.

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Cardinal Woodpecker

Not necessarily the only woodpecker that inhabits Kigali, but certainly the most likely to be spotted. The Cardinal Woodpecker is one of the smaller species in the family and the most widespread across the eastern parts of the African continent. Males have a bright red cap whilst females sport a blackish-brown top to the head. Both sexes have lightly streaked sides to the face, well-streaked underparts, and spotted wings.

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Cape Dove

The Cape (or Red-eyed) Dove is very similar in appearance to the Ring-necked Dove, but the latter is less prevalent in Kigali. Like the Ring-necked Dove, they possess a black half-collar on the hind of their necks. They have dark red eyes surrounded by a small diamond-shaped area of dull maroon skin. Their call is typically a very rhythmical oo-oo-oo-oo-oo-oo, which almost sounds like "I-am-red-eyed-dove!".

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White-browed Robin-chat

A very boldly marked member of the thrush family with bright rufous orange below. The crown and sides of the face are entirely black with a long white supercilium. This species is the most widespread robin-chat in east Africa and is common across many areas of Rwanda. Their song is a simple refrain of three high notes, followed by two lower notes. One of those birds you're likely to spot anywhere in the city and now be able to say, "Oh look, there goes a White-browed Robin-chat!".

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African Paradise Flycatcher

Stunning and highly variable, the African Paradise Flycatcher has two distinct colour morphs. A typical rufous male has a slightly crested black or blue-black head merging into grey underparts. The mantle, wings and tail are chestnut with very long central tail feathers. A typical white morph male's chestnut parts are replaced with white plumage. Adult females and immature birds don't possess the long tail feathers. This bird is fairly common in mature gardens.

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Northern Fiscal (Common Fiscal)

The Northern Fiscal has been nicknamed "jackie hangman" and "butcher bird" for its rather gruesome eating habits. They use a kind of larder system where they impale their prey on acacia thorns to store for later consumption. Also known as the Fiscal Shrike, they are slim, narrow-tailed birds with white scapulars that form a very obvious "V" across the back. Sexes are very similar with black-and-white plumage, but the females have a small chestnut flank patch.

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African Harrier-hawk (Gymnogene)

One of two raptors on the list, the African Harrier-hawk is a large, mostly grey bird with a relatively small slim head and bare yellow facial skin. In flight they have an easily recognisable single white bar across their broad black tail. Their underparts are densely barred black and white. These beautiful predatory birds can sometimes be spotted stealing young chicks from cavity nests using their long and flexible yellow legs.

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Tropical Boubou

A black-and-white bird of the bush shrike family that sometimes displays a pinkish tinge on the lower breast extending toward the rump. They also exhibit long white wing stripes for easier identification. Like all boubous, this species is rather stocky and moves actively, but slowly. They are quite common in gardens and green spaces around Kigali. Pairs usually call a melodic wii-hoo wii-hoo duet, so perfectly timed as to sound like one bird.

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African Pied Wagtail

Very common and widespread wagtail species that span across most of sub-Saharan Africa. Like all wagtails, they are slim and slender little birds that are often seen walking on the ground whilst constantly bobbing their long tails. As mentioned in the Pied Crow description, the name of the species indicates a black-and-white plumage. Sexes are alike with both having a broad black breast-band. They are also very tame and comfortable around human dwellings.

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Dark-capped Bulbul

This species belongs to a group that are notoriously difficult to identify. However, the Dark-capped or "Common" Bulbul is one of east Africa's most widespread birds and is relatively easy to distinguish from its relatives. They are a slim brownish bird with an almost black head, pale belly and a bright yellow vent. Their heads are almost square in shape and their tails are ever so slightly forked. Often spotted in small groups feeding upon small fruits such as berries.

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Bronze Sunbird

The second sunbird that made the list and probably the second most widespread of all 26 species in Rwanda. Far less colourful than the Variable Sunbird, this species is aptly named due to the males shiny bronze/green plumage around the head and upper breast. Like most species in this taxonomic family, the female is far more modestly coloured. They are one of the larger species in their family and have one of the loudest and most complex calls of all sunbirds.

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Speckled Mousebird

Relatively inconspicuous with almost entirely light brown/grey plumage. They are most notable for their long tails and scruffy crest. Other distinguishing features include whitish cheeks and a blackish patch around the eye. Speckled Mousebirds feed mainly on leaves and shoots and can often be spotted roosting in groups where they'll buff up their feathers. They do this to allow more sunlight to hit their bodies which helps speed up the fermentation process.

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Massive thanks to Melihat Veysal, Mihir Bhatt (Mihirmax Bhatt Photography), Obed Temba Tuyumvire, Paul Rushworth (servalpaul) ,and Shelly Anne Rosen of Intore Expeditions for contributing some of their amazing photos to this blog. If you're interested in birdlife in Rwanda, why not join the Facebook group Birding in Rwanda where you can find more fantastic images and updates!

Images without watermark or owner written in caption are Copyright © Leigh Woods 2017 with all rights reserved.