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Types of beak. The shape and size of a bird's beak can tell us what it eats and sometimes how it catches its prey. Most birds, except for parrots and birds of prey, such as eagles and falcons, catch and hold their food with their beak, or bill, alone. Birds' beaks have a great range of specialized shapes to catch and eat different kinds of. Animal group names date back to medieval times when a list of collective terms for animals first appeared in The Book of Saint Albans, printed in 1486. This book, written by a nun named Juliana Barnes, covered the topics of hunting, fishing, and coats of arms, and it also included the first-ever list of collective nouns for every type of animal.
Classification of Vertebrates Pisces Amphibia Reptilia Aves Mammalia Class Pisces (Fishes) They are aquatic animals, having a streamlined body and a pair of fins which are used for propulsion and movement. Furthermore, fish are cold-blooded, but the discovery of a new species in 2015 has changed this perception.