The most common and most likely answer to this crossword clue is the 4 letter word GNUS
I've seen this crossword clue in The Guardian
G
N
U
S
More clues leading to the result GNUS
- Big beasts latest to broadcast
- Announced 6, big game
- Good group of students: they’re native to Africa
- Return of some enormous ungulates, wildebeest
- Animals warbled, travelling west
- African natives have information to announce
- Made notes about animals
- African beasts piped up
- Star gundog ultimately turned up antelopes
- Animals celebrated, rolling over
Buddy explains!

The straight part
We know that "animals" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case animals = gnus.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GNUS mean?
GNUS noun- A large antelope of the genus Connochaetes, native to Africa, having curved horns.