We’ve just realised that a tiny West African crocodile can moo

Crocodile roars – and moos – could help conservationists monitor populations of species that are hard to track through visual surveys.

The big-eyed, tiny-bodied African dwarf crocodile (Osteolaemus tetraspis) prowls the dense forests and narrow streams of West Africa. But the species is very hard to spot and extremely difficult to count. Scientists assume that it is quite common, however, because the tiny crocodiles show up in the bushmeat trade a lot.

“There’s still enough of them to be caught and sold, but that also means there’s probably quite a big conservation …