They are solitary by nature but congregate at feeding or basking areas.
Crocodiles not only live in swamps, the also live in riparian areas near rivers. Crocodiles hunt and live in areas that a predominantly water.
Antarctica is a polar continent and crocodiles are tropical aquatic reptiles, so no, crocodiles do not 'live in Antarctica'.
no
no they do not
Yes, there are some crocodiles that live in the savannah.Nile Crocodiles live in the African savannah.West African Dwarf Crocodiles also live in the African savannahClick here for further reading on reptiles in the African savannah.
Sheep live in flocks not herds. They probably do this because they feel safer when there is a few of them around
some may live in herds but many live in natural habitats or are mainly in cages
They live in herds of any numbers between 10 and about 100. They are mostly females, few males live with the herd
Walrus live in herds.
First off herds and groups are the same thing. Gray wolves live in groups/herds in numbers 2-20.
I think crocodiles don't live in Seas or Oceans because it's too salty in that place unlike in lakes or in rivers where mostly crocodiles live.
Generally, herbavourous animal groups are referred to as herds, so Protoceratops lived in small herds.