Because they can't be bothered to eat. stop asking fooking stupid questions, school is for that.
In the rainforest, many birds face extinction. Also, many birds in wetlands are endangered.
Extinction
There are many species of birds that are close to extinction in this world. Here are three of them:Ethiopian larkGalapagos finchGorgeted puffleleg
The Tahiti Monarch and the Madagascar Pochard
The dodo birds were hunted to extinction by people as they were used as a tasty snack.
Nothing. Hence, their extinction
No. Goldfinches are quite common birds, in no danger of extinction.
they ate them
The only dinosaurs to have survived the K-T extinction event are birds.
The dodo was easy to kill so man hunted it to extinction.
If you mean how did birds survive the extinction of dinosaurs then I think they flew away before the asteroid itself actually hit the earth
Mass extinction could occur due to climate change, an asteroid impact and even a volcanic eruption.