Flat faces and difficulty breathing: How pet trends have harmed animal health—and what we can we do about it
For many flat-faced dogs ... animals for centuries. For animals linked to agriculture, selection has resulted in high ...
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Different types of animals
They lay eggs and are the only animals with feathers ... Some fish have teeth, like piranhas, while others have flat mouths that help them eat plants or algae. Fish can be found in all kinds ...