Japanese green woodpecker
Japanese green woodpecker or Japanese woodpecker is a medium-sized woodpecker similar and closely related to the European green woodpecker, but endemic to Japan.
Description
This species reaches about 30 cm in length, with bright green wings and tail, a red or black mustache and crown, gray head, neck, and chest, and white underparts with black markings.The bill is yellow, the legs and feet are light gray colored. The iris is red.
Vocalizations
This woodpecker is loudly before and after the breeding season. Their known calls are a individually, loud and whip-crack-similar, and a with two syllables. They also drum, and these drumrolls are very fast and long.Distribution and habitat
This woodpecker is found in most big islands of Japan, and also smaller islands like Tobishima, Awashima, Sado and Tsushima. The total distribution area is as big as 281.000 km2.Japanese green woodpeckers live in the north in open mixed forests, in the south in warm-temperate evergreen forests, but also in parks and gardens. They avoid older coniferous monocultures. The species is in their occurrence limited to hilly landscapes and lower mountain regions and most frequently seen in altitudes between 300 and 1400m, sometimes it’s found in lowlands or in altitudes of up to 2000m.
Food and feeding
The foraging is mostly in the middle tree layer at heights between 2 and 10m on larger branches, but also on twigs, sometimes also on the ground. This species eats ants from the genera Lasius, Formica, Camponotus and Crematogaster, in addition to bugs, beetles, beetle larvae and spiders. Its menu also includes fruits, berries, seeds, resin and nectar.Breeding
Japanese green woodpeckers live in pairs. The breeding season is in April to June. They nest in cavities of trees as deep as two to four meters, and the females lay seven or eight eggs.Taxonomy
The Japanese green woodpecker is divided into at least three subspecies:Picus awokera awokera, the nominate subspecies, found on HonshūPicus awokera horii, native to KyūshūPicus awokera takatsukasae, thriving in Tanegashima and YakushimaThe binomial is a reference to the Japanese name of the species, aogera.