Leporine

His leporine ears perked up at the mention of dessert.

Source: wiktionary

This [the harp seal] inhabits the ſame countries vvith the Rough and Leporine Seal; but loves the coldeſt parts of the coaſt.

Source: wiktionary

Thus it is that one injustice generates another, and that the breed is propagated, with more than leporine fecundity, through every successive measure which these third-rate Legislators, these Statesmen in waiting, are sent to inflict upon Ireland.

Source: wiktionary

[T]he fur [of the hispid hare] is very remarkable for an animal of the Leporine group, on account of its harshness, which is well expressed by the specific appellation hispidus.

Source: wiktionary