Vocalist
Complex acoustic repertoires including booming territory songs, harmonic whistles, and resonant mating calls.
California Sea Lion
Males bark like dogs, and a mother can find her pup among hundreds by its call.
Common Blackbird
A lawn-hopping songster whose night-time hormones shift under city light.
Common Loon
A dagger-billed diver with dense bones, a wolf-like wail and legs set too far back to walk well.
Kakapo (Owl Parrot)
The heaviest parrot in the world, camouflaged in moss-green feathers, betrayed by its own strong scent, and courting with a boom heard up to five kilometres away in ideal conditions.
Lar Gibbon
A rainforest singer whose pair duets average 11 minutes and carry up to a kilometre.
Mantled Howler Monkey
A leaf-eating monkey whose males' calls seem to help keep neighbouring troops apart.
Red Deer
The UK's largest land mammal: a stag of up to 190 kg that regrows its antlers each year and roars through the autumn rut.
Spotted Hyena
Bone-crushing jaws, matriarchal clan rule, and a whoop that carries for miles.