푸른머리되새
- The common chaffinch is one of the most widespread birds of Europe.
- Males are brightly coloured.
- The species is listed as Least Concern.
- The common chaffinch is a typical member of the genus.
- It inhabits forests and gardens.
나이
The Eurasian chaffinch’s typical lifespan ranges from 21 years and 9 months to 36 years and 3 months, with a maximum recorded lifespan of 29 years and a theoretical lifespan between 20 years and 3 months and 28 years and 11 months. The species reaches sexual maturity between 9 months and 1 week and 1 year and 3 months. During the embryo stage, the developing chick receives nourishment from the yolk while inside the egg. The nestling stage lasts from 1 week and 6 days to 2 weeks and 4 days, during which the young are fed insects by their parents. Following this, the post-fledging stage, when the young bird learns to fly and forage independently, lasts from 1 to 11 months. The adult stage, when the bird is ready to reproduce, lasts from 1 to 10 years.
표현형
Downy fluff covers the body of the young chaffinch to retain heat, and its mouth has bright markings which help parents find it in the dark nest. After a period of rapid growth, the plumage of the young resembles that of the female, lacking bright colors, and it possesses a short, conical beak. The adult has a strong conical beak for cracking seeds and catching insects, and its wings are short and rounded for quick flight between trees. The Eurasian chaffinch’s head is blue-grey, its chest is pink, and it exhibits bright white stripes on the wings.
생리학
The Eurasian chaffinch measures from 12 centimeters to 3.6 meters in height, with a body length ranging from 14 to 16 centimeters and a weight between 19.7 and 21.7 grams; its wingspan is 26 centimeters. The embryo stage has a body mass of 2 to 3.5 grams and a body length of 2 millimeters, while the nestling stage exhibits a body mass from 4 to 18 grams and a body length from 4 to 9 centimeters. During the rapid growth phase, young chaffinches have a body mass from 16 to 23 grams and a body length from 13 to 15 centimeters. Adult individuals weigh from 18 to 24 grams and measure from 14 to 16 centimeters in body length.
서식지
The Eurasian chaffinch occupies a terrestrial landscape, including ground forests, and is found at elevations up to 2.3 kilometers. This species inhabits temperate mixed forests with warm summers and many oaks, birches, and maples, as well as flooded meadows where water frequently covers the land and there is abundant grass; it also lives in taiga forests characterized by cold winters and numerous coniferous trees such as spruce and pine. The climate varies, including conditions where rain falls almost constantly and the air is very humid, or with cool summers and snow in winter, or with warm summers and plentiful rain, or simply with a warm summer and a mild winter, or with a comfortable summer between 20 and 25 degrees Celsius.
은신처
The Eurasian chaffinch is found on a horizontal tree branch at a height of 2 to 10 meters. The species uses a nest as shelter, which is a structure built or utilized for laying eggs and raising young. Nesting structures are constructed from lichens, moss, grass, and feathers.
지리
The Eurasian chaffinch is found within the Palearctic biogeographical region and occupies several distinct ecosystems, including Celtic broadleaf forests, broadleaf forests of Western Europe, coniferous forests of the Qilian Mountains, Balkan mixed forests, Baltic mixed forests, and coniferous and mixed forests of the Pyrenees.
먹이
The Eurasian chaffinch’s diet consists of tree and grass seeds, and during summer, the species catches insects and spiders; it often searches for food on the ground in winter. The chaffinch gathers food with its beak from the ground, branches, and in grass, consuming seeds, insects, spiders, berries, coniferous cones, and a seed. Prey includes beetles, flies, Hymenoptera, butterflies, bedbugs, Orthoptera, dragonflies, mayflies, and lacewings. The species’ feeding strategy involves searching for and obtaining food, with a daily food requirement ranging from 6 grams to 12 grams.
번식
The Eurasian skylark reproduces, with the male attracting the female through a loud song. The female builds the nest and lays eggs, and embryo development takes 1 week. The clutch size is 4–6 chicks, which are fed by both parents. The skylark can reproduce with an interval from 1 day to 1 year. Females reach maturity from 10 months to 1 year 1 month. A skylark brood consists of 4–6 individuals.