SAVE CANCEL. Birds and mammals are equally remarkable, but very different. So, they are birds as well as mammals. In Birds, Bats are mammals. Birds do not produce milk, but mammals do. Some birds prey on other birds because they are adapted and evolved to do so. This is no different than some mammals (such as cats and foxes) eating smaller mammals (such as mice and rats). Mammals vs Birds. Different Between Mammals vs Birds . Mammals and birds are the most evolved groups of animals with a great variety among them. Mammals (from Latin mamma "breast") are vertebrate animals constituting the class Mammalia (/ m ə ˈ m eɪ l i ə /), and characterized by the presence of mammary glands which in females (and sometimes males) produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones. Mammals and birds independently evolved Endothermy: you need a lot more food and have a much more dynamic body. They don't hatch them. If you’ve been reading the articles in our mammals section, then you’ll know the answer to this question!. Birds always lay eggs, while mammals nearly never do (only the monotremes do). Birds don’t have tails, while mammals commonly do. They directly give birth to their young ones. Dinosaurs, now confirmed as ancestral to birds, may have the same. When one thinks of the differences between mammals and birds, the first thing that comes to mind is that mammals give birth to their young whereas birds lay eggs. The birds have feathers whereas mammals have only fur or hair. science math history literature technology health law business All Sections. SAVE CANCEL. Go. Answers.com ® Categories Animal Life Birds Flightless Birds Penguins How are mammals and birds different? How are mammals and birds different? Now let us look at other differences between mammals and birds. How are mammals and birds different? Birds have fused fingers, but mammals commonly don’t. Both these groups have special ecological niches. They are different that mammals are one animal and birds are another animal. Would you like to merge this … This feature is one of the main features of birds that differentiate them … Birds and mammals are different because birds lay eggs and mammals give birth to baby mammals. Mammals have hair. Answers.com ® Categories Animal Life Birds Flightless Birds Penguins How are mammals and birds different? Would you like to merge this … But so do birds, and also feathers which are more sophisticated. Birds and mammals both also have four-chambered hearts with two ventricles and two atria, a model that enables them to have different pathways for oxygenated and deoxygenated blood, unlike, for example reptiles in whose bodies oxygenated and deoxygenated blood sometimes flow through the same chambers, hence leading to an efficient system of blood circulation. Birds and mammals are different because birds lay eggs and mammals give birth to baby mammals. Never is it hard to identify a mammal from a bird, but at the same time it is important to discuss the drastic changes between them. already exists. Is a bird a mammal? The answer to ‘Is a bird a mammal?’ is NO; a bird is NOT a mammal.On this page, we’re going to find out why! Although birds are more closely related to reptiles than mammals, birds and mammals have several characteristics in common. Are Birds Mammals? Go. already exists.