Common problems with birds that homeowners may encounter include nesting in unwanted areas, causing damage to property with their droppings, creating noise disturbances, and potentially spreading diseases.
no
Yes, birds can have heart problems.
birds
bats though some birds
The common ancestor of mammals and birds was a reptile.
Most likely no, since they are so common. People go to zoo's to see unusual animals they wouldn't encounter anywhere else. Although some zoos do have aviaries, they usually have exotic birds only.
none there extinct
birds..... i think
Both birds and mammals care for their young.
They are birds
The Life of Birds - 1998 The Problems of Parenthood 1-9 is rated/received certificates of: Australia:G
Take it to the Vet. ASAP. Respiratory problems are very serious in birds.