Definition of mammal in English:
The first small mammals evolved from reptiles about 200 million years ago, and the group diversified rapidly after the extinction of the dinosaurs to become the dominant form of land animal, with about 4,000 living species. Mammals belong to the class Mammalia, which contains the subclass Prototheria (monotremes) and the infraclasses Metatheria (marsupials) and Eutheria (placental mammals such as rodents, cats, whales, bats, and humans)
- It provides the growing young with everything it wants, and only mammals produce milk.
- The domestic animal is the first mammal known to die of the disease in Europe.
- The male feeds the female while she incubates, catching small mammals and birds and bringing them back to the nest.
This is an anglicized form of modern Latin mammalia, from mamma ‘breast’, the ability to produce milk being one of the distinguishing features of mammals.
- Example sentences
- They use any kind of island for nesting, as long as mammalian predators are absent.
- They are also preyed upon by mammalian predators such as cats, and by snakes such as boas and anacondas.
- Because of their offensive odor, skunks are rarely preyed on by mammalian predators.
Definition of mammal in:
- British & World English dictionary
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