Answer:
Facts 
Birds have feathers, wings,lay eggs nd are warm blooded
There around 10000 different species of birds worldwide 
The Ostrich is the largest Bird in the world 
Scientists believe that birds evolved from theropod dinosaurs 
Birds have hollow bones which help them fly
The Smallest bird egg belongs to the hummingbird and is the size of a pea 
Around 20% of bird species migrate long distances every year 
Hummingbirds can fly backwards 
Topics:
Feathers 
wings 
beak
 
Step-by-step explanation:
i hope this helps