11.They are very territorial birds.
Despite their competitive behavior, when faced by predator they can cooperate to fend it off.
12.Breeding season lasts from April to July.
During this time they may have two or even three broods.
13.They tend to build their nests in dense bushes or in a fork of a tree.
American robins are not shy, so they can even construct a nest near human buildings. Their nests are made of twigs, grass, mud, feathers and anything soft they can find (paper, fabric etc.).
14.Female lays from three to five eggs.
Eggs are blue and are incubated by female only. After 14 days of incubation young robins hatch. They are born undeveloped, naked and with closed eyes. It takes them few days to develop all bird features.
15.Young robins leave nest about two weeks after hatching, but mother still takes care of them.
Mother feeds them with earthworms, insects and berries.
16.It is common, that Brown-headed cowbirds lay their eggs in robin nests.
Study shows that it’s not easy to fool a robin and, in most cases, future parent get rid of unwanted eggs from its nest.
17.They are being hunted by hawks, snakes and domestic cats mostly.
Only 25 % of young birds survive the first year.
18.Longest living American robin in the wild was 14 but average lifespan of those birds is 2.
19.They are vagrant species and sometimes pay a visit to Europe.
In Great Britain for example more than 20 visits has been recorded.
20.There are seven subspecies of this bird:
- the Eastern robin,
- the Newfoundland robin,
- the Southern robin,
- the Northwestern robin,
- the Western robin,
- the San Lucas robin,
- the Mexican robin.