Horned animals attack hikers finally (5)

'horned animals' is the definition.
The definition and answer can be both animals as well as being plural nouns.
Perhaps you can see an association between them that I don't see?

'attack hikers finally' is the wordplay.
'attack' becomes 'go at' (go at).
'finally' says to take the final letters.
The final letter of 'hikers' is 's'.
'goat'+'s'='GOATS'

Can you help me to learn more?