Top 19 Animals APIs For Developers

Cat as a service (cats pictures and gifs).

Pictures of cats from Tumblr.

Pictures of dogs based on the Stanford Dogs Dataset.

Random facts and breed information about dogs.

Retrieve recent or notable birding observations within a region.

Cat for every HTTP Status.

Dogs for every HTTP response status code.

Get random cat facts.

Movement and Migration data of animals.

Petfinder is dedicated to helping pets find homes, another resource to get pets adopted.

Placeholder bear pictures.

Placeholder Dog pictures.

Random pictures of dogs.

Random pictures of ducks.

Random pictures of foxes.

Adoption.

A public service all about Dogs, free to use when making your fancy new App, Website or Service.

Authoritative list of marine species names and taxonomy.

Bird recordings.