Habitat field guide
Forest animals using sound, touch and specialised feeding
Forests are layered habitats where leaves block sight, food may be hidden and rivers divide the canopy. Sound, touch, climbing ability and specialised diets can matter more than a familiar-looking face.
Animals in this guide
7 connected profiles
Mammal
Aye-aye
The thin middle finger is not a deformity. It taps wood, reaches into cavities and hooks out insect larvae or soft plant material.
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Mammal
Proboscis monkey
The male's nose is a sexually dimorphic trait. It is much larger than the female's and contributes to how males look and sound to other monkeys.
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Mammal
Bald uakari
The face is red because capillaries sit beneath thin skin with little pigment. Colour may communicate health or physiological state, but simple mate-choice stories remain hypotheses.
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Mammal
Hammer-headed bat
The male's head is part of an acoustic system. Enlarged air passages, larynx and lips help turn a call into the far-carrying honk heard at display sites.
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Amphibian
Purple frog
A compact body and reinforced limbs push through soil, while the narrow snout helps the frog work around underground feeding spaces.
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Amphibian
Black rain frog
Short muscular limbs push soil aside. The compact round body is stable underground, while inflation can make the frog harder for a predator to pull from a burrow.
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Mammal
Giant anteater
Claws break the nest, smell locates the insects and a saliva-coated tongue enters narrow chambers. The long skull is a housing for specialised feeding equipment.
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Why are sound and colour useful in dense habitat?
Male hammer-headed bats produce loud calls at display sites, while male proboscis monkeys combine a large nose with resonant vocal signals. Bald uakaris have thin, visibly vascular facial skin that may communicate physiological condition.
Forest rivers also shape movement. Proboscis monkeys and uakaris are closely associated with flooded or riverside forests, so clearing along waterways can remove both travel routes and feeding areas.
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