The document compares the characteristics of mammals and birds. It notes that mammals are typically born live, have four legs, breathe with lungs, and feed their young with milk. In contrast, all birds lay eggs, have two legs, breathe with lungs, and most can fly. It provides examples of mammals like dogs, dolphins, and bats, and birds like penguin, ostrich, peacock, and duck. The document also shares additional facts that howler monkeys can be heard from 5 kilometers away and owls can turn their heads 360 degrees but cannot move their eyes.

13. Characteristics How are
they
born?
How
many
legs do
they
have?
How do
they
breathe?
Others Examples
Most mammals have
fur or hair covering
their bodies.
They are
born live.
Some lay
eggs
Most
mammals
have four
legs.
All
mammals
breathe with
their lungs
All baby
mammals drink
their mother's
milk.
Dogs, dolphins
and bats.

14. The loudest mammal in the world is the howler
monkey. You can hear its call five kilometres away

19. Characteristics How are
they
born?
How
many
legs do
they
have?
How do
they
breathe?
Others Examples
All birds have
feathers, a beak and
wings.
All birds
lay eggs.
Birds
have two
legs
They
breathe with
their lungs
Most birds can
fly, but some
can swim or
run
Penguin,
ostrich,
peacock, duck,
owl.

20. Owls can turn their heads 360º (a complete circle), but they
can’t move their eyes.