Why would a dove take over a robins nest that has baby birds in it?

How can osrtiches be compared to hummingbirds? What can you feed to the ducks at the park? What are threats to cassowaries? Do hawks live in jungles? What not to feed cockatiel? What bird has an orange chest with a grey middle and brown end of body? Talons would most likely be found among birds that? Are dodo birds real? What is the annual salary of an ornithologist? How often does a White Pekin duck have to sit on her eggs during the day for them to eventually hatch? What is the shape of a goose egg? Are toucans covered with feathers? Do people poach the emus? Are ducks legal pets in Illinois? Can a baby get a disease by getting bit by a African grey parrot? What is another name for a bunch of bees? Is it safe for you to mix squash oats and nuts for bluebirds? Is commercial wild bird seed harmful to ducklings? What is the anatomy for pelicans? Combien d'os y a t-il en moyenne chez un oiseau?