No, the collective nouns for crocodile are:
- a bask of crocodiles
- a congregation of crocodiles
- a float of crocodiles
- a nest of crocodiles
The collective noun 'brood' is used for:
- a brood of chicks
- a brood of chickens
- a brood of grouse
- a brood of hens
- a brood of jellyfish
- a brood of pheasants
- a brood of termites
- a brood of trukeys
