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PPT to learn about mammals and birds characteristics. For primary students
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Mammals and birds María Liste
Animals are classified into two big groups: • vertebrates. • invertebrates.
Vertebrates have a backbone or a skeleton. Invertebrates don’t have a skeleton.
All mammals are vertebrates.
Mammals are viviparous They are born from their mother’s womb
Mammals are viviparous. Exceptions: 1- Theduck-billedplatypus: It’soviparous Platypusesare unique Australian animals. They are small mammals (about the size of a cat) which lay eggs and feed their young milk. They have a tail like a beaver, a body like an otter, webbed feet, a beak like a bird and walk like a reptile.
Mammals are viviparous. 2- The equidna: Exceptions: It’soviparous
Mothers nurse their young with milk.
Mostmammalshavefourlegs. Manatee Exceptions: Dolphin Whale Sea lion Flippers Seal Walrus
Mostmammalshavefourlegs. Exceptions: Oneismissingand it’stheonlymammalthat can FLY. Whoisit?
Mostmammalshavefourlegs. Exceptions: You are right: TheBat Wings
Primates havefourlimbs: twoarms and twolegs.
According to what they eat mammals can be: Carnivores: Herbivores: Omnivores:
Carnivores: Theyfeedon otheranimals
Omnivores: Theyfeedonplantsand otheranimals. skunk humans hedgehog raccoon
Birds All birds are vertebrates
Thismeanstheysitontheeggs to keepthemwarm whilethebabygrowinside. They incubate their eggs.
Adult birds bring food for their babies… …until they can find their own food.
Birds breathe with their lungs.
Birds have feathers and a beak.
Birds have wings. They can fly. Butthere are someexceptions …
These birds can’t fly. Ostrich Emu Kiwi Penguin
According to what they eat birds can be: Carnivores: Herbivores: Omnivores:
Carnivores: Theyfeedonotheranimals (mice, snakes, fish, worms, insects …) Barn owl owl Eagle Vulture Condor Condor Falcon Kingfisher
Herbivores: They feed on plants (seeds, grains, fruit…) Parrot Hummingbird (colibrí) Canary
Omnivores: Theyfeedon plants and otheranimals. Sparrow Seagull Pigeon Hen