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Great Spotted Woodpecker, Dendrocopos major, Större hackspett

The great spotted woodpecker (Dendrocopos major), called Större hackspett in Skåne, is a medium-sized woodpecker with pied black and white plumage and a red patch on the lower belly. Males and young birds also have red markings on the neck or head. This species is found across Eurasia and parts of North Africa. Across most of its range it is resident, but in the north some will migrate if the conifer cone crop fails.

Some individuals have a tendency to wander, leading to the recent recolonisation of Ireland and to vagrancy to North America. Great spotted woodpeckers chisel into trees to find food or excavate nest holes, and also drum for contact and territorial advertisement; they have anatomical adaptations to manage the physical stresses from the hammering action. It is similar to the less common lesser spotted woodpecker.

The great spotted woodpecker occurs in all types of woodlands and is catholic in its diet, being capable of extracting seeds from pine cones, insect larvae from inside trees or eggs and chicks of other birds from their nests. It breeds in holes excavated in living or dead trees, unlined apart from wood chips.

The typical clutch is four to six glossy white eggs. Both parents incubate the eggs, feed the chicks and keep the nest clean. When the young fledge they are fed by the adults for about ten days, each parent taking responsibility for feeding part of the brood.

The great spotted woodpecker is closely related to some other members of its genus. It has a number of subspecies, some of which are distinctive enough to be potential new species. It has a huge range and large population, with no widespread threats, so it is classed as a species of least concern by the International Union for Conservation of Nature (IUCN).

Distribution and habitat
The great spotted woodpecker occurs in Eurasia from the British Isles to Japan, and in North Africa from Morocco to Tunisia, and it is absent only from those areas too cold or dry to have suitable woodland habitat. It is found in a wide variety of woodlands, broadleaf, coniferous or mixed, and in modified habitats like parks, gardens and olive groves.

It occurs from sea-level to the tree line, up to 2,000 m in Europe, 2,200 m in Morocco and 2,500 m in Central Asia.

The great spotted woodpecker is mainly resident year-round, but sizeable movements can occur when there are shortages of pine and spruce cones in the north of the range. Highland populations often descend to lower altitudes in winter. Juveniles also have a tendency to wander some distance from where they were hatched, often as far as 100–600 km, sometimes up to 3,000 km.

Vagrants have reached the Faroe Islands, Hong Kong and Iceland, and there are several sightings from North America in at least the Aleutian Islands, Pribilof Islands and Alaska.

The great spotted woodpecker became extinct in the island of Ireland in the seventeenth century, but the island was naturally recolonised by this species, with the first proven nesting in County Down in 2007.

Its expansion in range is continuing, with breeding proven or suspected in at least 10 counties by 2013, with the main concentration in Down and County Wicklow. Genetic evidence shows the birds to be of British, rather than Scandinavian, ancestry, with the populations in Northern Ireland and the Irish Republic having separate origins.

Great Spotted Woodpecker, Dendrocopos major, Större hackspett

Range map from - Ornithological Portal is one of those MUST visit pages if you're in to bird watching. You can find just about everything there

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Great Spotted Woodpecker (Dendrocopos major) distribution map
Click HERE for full size map
Data is consistent with IUCN Redlist map and Great Spotted Woodpecker (Dendrocopos major).
Handbook of the Birds of the World Alive. Lynx Edicions (2013). Retrieved on 11 February 2017.
By Vicpeters - Own work, CC BY-SA 3.0,

The woodpeckers are an ancient bird family consisting of three subfamilies, the wrynecks, the piculets and the true woodpeckers, Picinae. The largest of the six tribes within the Picinae is the pied woodpeckers, a group which includes the great spotted woodpecker.

Within the large genus Dendrocopus the great spotted woodpecker's closest relatives are the Himalayan, Sind, Syrian and white-winged woodpeckers and possibly the Darjeeling woodpecker. The great spotted woodpecker has been recorded as hybridising with the Syrian woodpecker.

The great spotted woodpecker was described by Linnaeus in his 1758 Systema Naturae as Picus major. It was moved to its current genus, Dendrocopus, by the German naturalist Carl Ludwig Koch in 1816. The genus name Dendrocopus is a combination of the Greek words dendron , "tree", and kopos, "striking ". The specific major is from Latin maior, "greater".

The number of subspecies of the great spotted woodpecker recognised by different authors varies widely from as few as 14 to nearly 30. This is largely because changes are clinal with many intermediate forms. However, mitochondrial DNA data suggests that the Caspian Sea region's Dendrocopus major poelzami, Japanese D. m. japonicus and Chinese D. m. cabanisi may all merit full species status.

Despite its distinctive appearance, D. m. canariensis from Tenerife in the Canary Islands appears to be closely related to the nominate subspecies D. m. major.

The fossil subspecies D. m. submajor lived during the Middle Pleistocene Riss glaciation (250,000 to 300,000 years ago) when it was found in Europe south of the ice sheet. It is sometimes treated as a distinct species, but did not differ significantly from the extant great spotted woodpecker, whose European subspecies are probably its direct descendants.

The adult great spotted woodpecker is 20–24 cm long, weighs 70–98 g and has a 34–39 cm wingspan. The upperparts are glossy blue-black, with white on the sides of the face and neck. Black lines run from the shoulder to the nape, the base of the bill and about halfway across the breast.

There is a large white shoulder patch and the flight feathers are barred with black and white, as is the tail. The underparts are white other than a scarlet lower belly and undertail. The bill is slate-black, the legs greenish-grey and the eye is deep red. Males have a crimson patch on the nape, which is absent from the otherwise similar females.

Juvenile birds are less glossy than adults and have a brown tinge to their upperparts and dirty white underparts. Their markings are less well-defined than the adult's and the lower belly is pink rather than red. The crown of the juvenile's head is red, less extensively in young females than males.

The various subspecies differ in plumage, the general pattern being that northern forms are larger, heavier-billed and whiter beneath, as predicted by Bergmann's rule, so north Eurasian D. m. major and D. m. kamtschaticus are large and strikingly white, whereas D. m. hispanicus in Iberia and D. m. harterti in Corsica and Sardinia are somewhat smaller and have darker underparts. D. m. canariensis and D. m. thanneri in the Canary Islands are similar to the Iberian race but have contrasting white flanks.

In Morocco, D. m. mauritanus is pale below with red in the centre of its breast, and birds breeding at higher altitudes are larger and darker than those lower in the hills. D. m. numidus in Algeria and Tunisia is very distinctive, with a breast band of red-tipped black feathers.

Caspian D. m. poelzami is small, relatively long-billed and has brown underparts. D. m. japonicus of Japan has less white on its shoulders but more in its wings. The two Chinese forms, D. m. cabanisi and D. m. stresemanni, have brownish heads and underparts, and often some red on the breast.

Both races have increasingly dark underparts towards the south of their respective ranges.

The great spotted woodpecker is similar to some other species in its genus. The Syrian woodpecker lacks its relative's black cheek bar and has whiter underparts and paler red underparts, although juvenile great spotted woodpeckers often have an incomplete cheek bar, so can potentially be misidentified as Syrian.

The white-winged woodpecker has a far more extensive white wing patch than the great spotted woodpecker. The Sind woodpecker is very similar to the Syrian species, and can be distinguished from great spotted woodpecker in the same way.

Adult great spotted woodpeckers have a complete moult after the breeding season which takes about 120 days. Northern D. m. major starts its moult from mid-June to late July and finishes in October or November, temperate races like D. m. pinetorum are earlier, commencing in early June to mid-July and completing in mid-September to late October, and southern D. m. hispanicus starts late May or June and finishes as early as August.

Juveniles have a partial moult, retaining some of the wing coverts but replacing body, tail and primary feathers. This moult to near-adult plumage starts from late May to early August and finishes from mid-September to late November, timing varying with latitude as with the adults.

The call of the great spotted woodpecker is a sharp kik, which may be repeated as a wooden rattling krrarraarr if the bird is disturbed. The courtship call, gwig, is mostly given in the display flight. The great spotted woodpecker drums on dead trees and branches, and sometimes suitable man-made structures, to maintain contact between paired adults and to advertise ownership of territory. Both sexes drum, although the male does so much more often, mostly from mid-January until the young are fledged. The far-carrying drumming is faster than for any other woodpecker in its range at around 10–16 strikes per second, typically in one-second bursts, although repeated frequently.

As late as the early twentieth century it was thought that the drumming might be a vocalisation, and it was not until 1943 that it was finally proved to be purely mechanical.

Listen to the Great Spotted Woodpecker / Större hackspett

Remarks from the Recordist

Recorded at Wildlife Safaris Finland, Base Camp Kuikka when I came back from a night in the bear hide

Two birds looking for food in the tree and I saw them eating, but I never heard any "KNOCKING"

Remarks from the Recordist

Recorded with my ZOOM H5 Handy Recorder. High Pass Filter applied with Audacity.

Woodpecker looking for food under the bark in an old tree. Not so much "pecking" as remove the old bark by scratching with the bill.

The great spotted woodpecker spends much of its time climbing trees, and has adaptations to this lifestyle, many of which are shared by other woodpecker species. These include the zygodactyl arrangement of the foot, with two toes facing forward and two back, and the stiff tail feathers that are used as a prop against the trunk.

In most birds the bones of the tail diminish in size towards its end, but this does not occur in woodpeckers, and the final vertebra, the pygostyle, is very large to anchor the strong tail muscles.

The hammering of woodpeckers when drumming or feeding creates great forces which are potentially damaging to the birds. In the great spotted woodpecker and most of its relatives, the hinge where the front of the skull connects with the upper mandible is folded inwards, tensioned by a muscle that braces it against the shock of the impact when the bill is hammering on hard wood.

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Skull showing tongue and supporting structures
By Jimfbleak - Own work, CC BY-SA 3.0,

The outer layer of the upper mandible is significantly longer than the more rigid lower mandible and absorbs much of the concussive force. Skeletal adaptations and strengthening also help to absorb the shock, and narrow nostrils protect against flying debris.

As well as using holes for breeding, great spotted woodpeckers roost at night, and sometimes during the day, in old nest cavities, excavated by other woodpeckers. They will occasionally make a new roosting hole or use an artificial site such as a nest box.

Great spotted woodpeckers are strongly territorial, typically occupying areas of about 5 ha (12 acres) year-round, which are defended mainly by the male, a behaviour which attracts females. Pairs are monogamous during the breeding period, but often change partners before the next season.

The great spotted woodpecker is sexually mature when aged one year, and starts its courtship behaviour in the following December. It has a fluttering flight display in which the male flies with shallow wingbeats and a spread tail. He calls in flight and may land at a prospective nest-site.

The pair excavate a new hole at least 0.3 m above the ground and usually lower than 8 m, although sometimes much higher. The chosen site is normally a tree, alive or dead, occasionally a utility pole or nest box. Old holes are rarely re-used, although the same tree may be used for nesting for several years.

The nest cavity is 25–35 cm deep with an entrance hole 5–6 cm wide. It is excavated by both sexes, the male doing most of the chiselling. As with other woodpeckers, the hole is unlined, although wood chips from the excavation may cover the base of the cavity.

Trees chosen for nest holes have soft heartwood and tough sapwood, the former often due to parasites or diseases that weaken the tree's core. It is not certain how suitable trees are selected, although it may be by drumming, since woods with differing elastic modulus and density may transmit sound at different speeds.

A Japanese study found nests in trees from many families; these included grey alder, Japanese white birch, Japanese hop-hornbeam, Japanese tree lilac, willows, Japanese larch and Sargent's cherry. The Mongolian oak and prickly castor-oil tree were rarely if ever used.

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
By Didier Descouens - Own work, CC BY-SA 4.0,

The typical clutch is four to six glossy white eggs that measure 27 mm × 20 mm and weigh about 5.7 g, of which 7% is shell. They are laid from mid-April to June, the later dates being for birds breeding in the north of the range or at altitude.

The eggs are incubated by either adult during the day and by the male at night, for 10–12 days before hatching. Both birds brood and feed the altricial naked chicks and keep the nest clean. The young fledge in 20–23 days from hatching. Each parent then takes responsibility for feeding part of the brood for about ten days, during which time they normally remain close to the nest tree.

Great spotted woodpeckers have only one brood a year. The survival rates for adults and young are unknown, as is the average lifespan, but the maximum known age for a great spotted woodpecker is just over 11 years.

The great spotted woodpecker is omnivorous. It digs beetle larvae from trees and also takes many other invertebrates including adult beetles, ants and spiders. The bird also digs for Lepidoptera larvae like Acronicta rumicis. Crustaceans, molluscs and carrion may be eaten, and bird feeders are visited for suet and domestic scraps.

The nests of other cavity-nesting birds, such as tits, may be raided for their eggs and chicks; nest boxes may be similarly attacked, holes being pecked to admit entrance by the woodpecker where necessary. House martin colonies can be destroyed in repeated visits.

Fat-rich plant products such as nuts and conifer seeds are particularly important as winter food in the north of the woodpecker's range, and can then supply more than 30% of the bird's energy requirements. Other plant items consumed include buds, berries and tree sap, the latter obtained by drilling rings of holes around a tree trunk.

The great spotted woodpecker feeds at all levels of a tree, usually alone, but sometimes as a pair. It will use an "anvil" on which to hammer hard items, particularly pine, spruce and larch cones, but also fruit, nuts and hard-bodied insects.

Easily accessible items are picked off the tree surface or from fissures in the bark, but larvae are extracted by chiselling holes up to 10 cm deep and trapping the soft insect with the tongue, which can extend to 40 mm beyond the bill, and is covered with bristles and sticky saliva to trap the prey.

The woodpecker is able to extend its tongue so far because the hyoid bone to which it is attached has long flexible "horns" that wind around the skull and can move forward when required.

Predators and parasites
Great spotted woodpeckers are hunted by woodland birds of prey such as the Eurasian sparrowhawk and the northern goshawk. This woodpecker is a host of the blood-feeding fly Carnus hemapterus, and its internal parasites may include the spiny-headed worm Prosthorhynchus transversus.

Protozoans also occur, including the potentially fatal Toxoplasma gondii, which causes toxoplasmosis. The great spotted woodpecker is the favoured host of the tapeworm Anomotaenia brevis.

The total population for the great spotted woodpecker is estimated at 73.7–110.3 million individuals, with 35% of the population in Europe. The breeding range is estimated as 57.8 million square kilometres, and the population is considered overall to be large and apparently stable or slightly increasing, especially in Britain, where the population has recently overspilled into Ireland. For this reason the great spotted woodpecker is evaluated as a species of least concern by the IUCN.

Breeding densities have been recorded as between 0.1–6.6 pairs/10 ha (0.04–2.7 pairs/10 acres), with the greatest densities in mature forest growing on alluvium. Numbers have increased in Europe due to the planting of forests, which provides breeding habitat, and more available dead wood, and this species has profited from its flexibility with regard to types of woodland and its ability to thrive in proximity to humans.

Harsh winters are a problem, and fragmentation of woodland can cause local difficulties. The Canary Islands populations of D. m. canariensis on Tenerife and D. m. thanneri on Gran Canaria face a potential threat from exploitation of the local pine forests.

Conservation status
Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Least Concern (IUCN 3.1)
IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.

From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia

Sighted: (Date of first photo that I could use) 5 July 2018
Location: Laganrasten on E6 (Northbound Lane)

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Great Spotted Woodpecker / Större hackspett - 5 July 2018 - Laganrasten on E6 (Northbound Lane)

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Great Spotted Woodpecker / Större hackspett - 5 July 2018 - Laganrasten on E6 (Northbound Lane)

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Great Spotted Woodpecker / Större hackspett - 15 May 2019 - Ottenby Area, Öland

Great Spotted Woodpecker, Dendrocopos major, Större hackspett
Great Spotted Woodpecker / Större hackspett - 17 May 2019 - Beijershamn, Öland

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