Scarlet tanager facts for kids

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Scarlet tanager
Adult male
Conservation status
Scientific classification
Kingdom: Animalia
Class: Aves
Order: Passeriformes
Suborder: Passeri
Infraorder: Passerida
Family: Cardinalidae
Genus: Piranga
Binomial name
Piranga olivacea

The scarlet tanager (Piranga olivacea) is a medium-sized American songbird. Until recently, it was placed in the tanager family (Thraupidae),but other members of its genus and it are now classified as belonging to the cardinal family (Cardinalidae). The species' plumage and vocalizations are similar to other members of the cardinal family, although the Piranga species lacks the thick conical bill (well suited to seed and insect eating) that many cardinals possess.

Description

The scarlet tanager, a mid-sized passerine, is marginally the smallest of the four species of Piranga that breed north of the Mexican border. It can weigh from 23.5 to 38 g (0.83 to 1.34 oz), with an average of 25 g (0.88 oz) during breeding and an average of 35 g (1.2 oz) at the beginning of migration.

Scarlet tanagers can range in length from 16 to 19 cm (6.3 to 7.5 in) and from 25 to 30 cm (9.8 to 11.8 in) in wingspan.

Adults of both sexes have pale, horn-colored, fairly stout, and smooth-textured bills. Adult males are crimson-red with black wings and tail. The male's coloration is intense and deeply red, similar but deeper in shade than the males of two occasionally co-existing relatives, the northern cardinal and the summer tanager, both which lack black wings. Females are yellowish on the underparts and olive on top, with yellow-olive-toned wings and tail. The adult male's winter plumage is similar to the female's, but the wings and tail remain darker. Young males briefly show a more complex, variegated plumage intermediate between adult males and females.

Piranga olivacea1
Male moulting to his duller feathers during autumn

The somewhat confusing specific epithet olivacea ("the olive-colored one") was based on a female or immature specimen rather than erythromelas ("the red-and-black one"), which authors attempted to ascribe to the species throughout the 19th century (older scientific names always takes precedence, however).

Female, immature, and nonbreeding males may be distinguished from the same ages and sexes in summer tanagers, which are more brownish overall, and western tanagers, which always have bold white bars and more yellowish undersides than scarlet tanagers. The song of the scarlet tanager sounds somewhat like a hoarser version of the American robin's and is only slightly dissimilar from the songs of the summer and western tanagers. The call of the scarlet tanager is an immediately distinctive chip-burr or chip-churr, which is very different from the pit-i-tuck of the summer tanager and the softer, rolled pri-tic or prit-i-tic of western tanager.

Behavior

Scarlet Tanager 2
Scarlet tanagers eat ripe fruit when available, occasionally including ones, such as this orange half, that are set out by humans

Their breeding habitat is large stretches of deciduous forest, especially with oaks, across eastern North America. They can occur, with varying degrees of success, in young successional woodlands and occasionally in extensive plantings of shade trees in suburban areas, parks, and cemeteries. For a viable breeding population, at least 10 to 12 hectares of forest are required. In winter, scarlet tanagers occur in the montane forest of the Andean foothills. Scarlet tanagers migrate to northwestern South America, passing through Central America around April, and again around October. They begin arriving in the breeding grounds in numbers by about May and already start to move south again in midsummer; by early October, they are all on their way south. The bird is an extremely rare vagrant to Western Europe.

Scarlet tanagers are often out of sight, foraging high in trees, sometimes flying out to catch insects in flight and then returning to the same general perch, in a hunting style known as "sallying". Sometimes, however, they also capture their prey on the forest floor. They eat mainly insects, but opportunistically consume fruit when plentiful. Any flying variety of insect can readily be taken when common, such as bees, wasps, hornets, ants, and sawflies; moths and butterflies; beetles; flies; cicadas, leafhoppers, spittlebugs, treehoppers, plant lice, and scale insects; termites; grasshoppers and locusts; dragonflies; and dobsonflies. Scarlet tanagers also take snails, earthworms, and spiders. While summer tanagers are famous for this feeding method, when capturing bees, wasps, and hornets, scarlet tanagers also rake the prey against a branch to remove their stingers before consumption. Plant components of their diet include a wide variety of fruits that are eaten mainly when insect population are low: blackberries, raspberries, huckleberries, juneberries and serviceberries, mulberries, strawberries, and chokeberries.

Breeding

Scharlakanstangara fåglar, 1860-tal S-t Barthélemy - Livrustkammaren - 102593
Stuffed Scarlet tanager from 1860's, St. Barthélemy.

Male scarlet tanagers reach their breeding ground from mid-May to early June. Females generally arrive several days to a week later. Nest building and egg laying both occur usually in less than two weeks after the adults arrive. The clutch is usually four eggs, occasionally from three to five and exceptionally from one to six eggs may be laid. The eggs are a light blue color, often with a slight greenish or whitish tinge. Incubation lasts for 11 to 14 days. Hatching and fledging are both reached at different points in summer depending on how far north the tanagers are breeding, from June-early July in the southern parts of its breeding range to as late as August or even early September in the northernmost part of its range. The average weight at hatching is 3.97 g (0.140 oz), with the nestlings increasing their weight to 20–22 g (0.71–0.78 oz) by 10 days, or 70% of the parent's weight. The young leave the nest by 9–12 days of age and fly capably by the time they are a few weeks old.


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