American robin diet snow
Ontario Feeders Hellgate Ospreys Hummingbird Nest Manakins Savannah Nest. T. Robins eat a lot of fruit in fall and winter. Its nest consists of long coarse grass, twigs, paper, and feathers, and is smeared with mud and often cushioned with grass or other soft materials. Cool Facts An American Robin can produce three successful broods in one year. The American robin ( Turdus migratorius ) is a migratory songbird of the thrush family. In summer, females sleep at their nests and males gather at roosts. It is uniformly darker or blackish on the head, with a dark gray back. Robins are popular birds for their warm orange breast, cheery song, and early appearance at the end of winter. The number of robins present in the northern parts of the range varies each year with the local conditions. T. Click to view Birds of North America Online account. The quintessential early bird, American Robins are common sights on lawns across North America, where you often see them tugging earthworms out of the ground. At a Glance Help Habitat Open Woodland Food Insects Nesting Tree Behavior Ground Forager Conservation Least Concern. As young robins become independent, they join the males. Although robins are considered harbingers of spring, many American Robins spend the whole winter in their breeding range. Because the robin forages largely on lawns, it is vulnerable to pesticide poisoning and can be an important indicator of chemical pollution. m. m. Brown-headed cowbirds lay eggs in robin nests (see brood parasite ), but robins usually reject the cowbird eggs.
migratorius, the nominate subspecies, breeds in the US and Canada, other than down the west coast, to the edge of the tundra from Alaska and northern Canada east to New England and then south to Maryland, northwest Virginia, and North Carolina. Though having distinct plumage, the two species are similar in vocalization and behavior. Robin roosts can be huge, sometimes including a quarter-million birds during winter. It is among the first birds to sing at dawn, and its song consists of several discrete units that are repeated. m. achrusterus breeds from southern Oklahoma east to Maryland and western Virginia and south to northern Florida and the Gulf states. Its diet consists of invertebrates (such as beetle grubs, earthworms, and caterpillars ), fruits, and berries. The American robin is widely distributed throughout North America, wintering from southern Canada to central Mexico and along the Pacific Coast. When they eat honeysuckle berries exclusively, they sometimes become intoxicated. Robins eat different types of food depending on the time of day: more earthworms in the morning and more fruit later in the day. On average, though, only 40 percent of nests successfully produce young. Despite the fact that a lucky robin can live to be 14 years old, the entire population turns over on average every six years. nigrideus breeds from coastal northern Quebec to Labrador and Newfoundland and winters from southern Newfoundland south through most of the eastern US states to southern Louisiana, southern Mississippi and northern Georgia. The adult robin is preyed upon by hawks, cats, and larger snakes, but when feeding in flocks, it can be vigilant and watch other birds for reactions to predators. The American robin is active mostly during the day and assembles in large flocks at night. Female adults go to the roosts only after they have finished nesting. It is one of the earliest bird species to lay eggs, beginning to breed shortly after returning to its summer range from its winter range. From that point on, about half of the robins alive in any year will make it to the next. T. Only 25 percent of those fledged young survive to November.
