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The common blackbird is the national bird of Sweden, [citation needed] which has a breeding population of 1–2 million pairs, [16] and was featured on a 30 öre Christmas postage stamp in 1970; [67] it has also featured on a number of other stamps issued by European and Asian countries, including a 1966 4d British stamp and a 1998 Irish 30p ...
Nest with eggs. The red-winged blackbird nests in loose colonies. The nest is built in cattails, rushes, grasses, sedge, or alder or willow bushes. The nest is constructed entirely by the female over the course of three to six days. It is a basket of grasses, sedge, and mosses, lined with mud, and bound to surrounding grasses or branches. [27]
Males defend small territories, usually around 3 metres, during the nesting period. Before the nesting period males defend slightly larger territories to repel other males. [6] Yellow-shouldered blackbirds engage in anting, a rare behavior only observed in the Puerto Rican tanager among West Indian birds. [7]
It was previously considered a subspecies of red-winged blackbird (Agelaius phoeniceus). [2] [7] [4] Differences in their behavior suggested to biologists that it could be a different species; More recently this was confirmed through molecular techniques and it appears that the red-shouldered and red-winged blackbirds constitute the closest relative of each other.
Deep cup nest of the great reed-warbler. A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too ...
Flocks of black birds have been spotted in backyards and parks over the past few weeks in the Triangle, causing many of us to do a double take when we leave our homes or pass a large, grassy field.
The breeding habitat of the yellow-headed blackbird are marshes in North America (mainly west of the Great Lakes), particularly in plants such as cattails (genus Typha), bulrush (genus Scirpus), and common reeds (genus Phragmites). [7] The nest is built with and attached to marsh vegetation and is constructed over open water. [5]
Brewer's blackbirds often walk along the ground. They can be seen making jerking motions with their heads. In colder months, these birds tend to flock together and forage. Sometimes, other species of blackbirds will join these flocks. During nesting season, their foraging behavior becomes more independent.