White-backed Woodpecker
Dendrocopos leucotos
Marginally larger than Great Spotted Woodpecker, but appears distinctly longer-billed. White back in some subspecies is not always obvious when perched but easy to see in flight. Streaky flanks are distinctive. Also note varying amounts of red on the lower belly and undertail. Gives a somewhat hoarse “kik”, sometimes in rattled series. Drum is fast and fades towards the end. Found in mature undisturbed deciduous and mixed forest with lots of dead trees; sometimes near water, as well as in recently burned areas. Threatened by habitat loss in much of its range.
Identification
It is the largest of the spotted woodpeckers in the western Palearctic, 24–26 cm long with wing-span 38–40 cm. The plumage is similar to the great spotted woodpecker, but with white bars across the wings rather than spots, and a white lower back. The male has a red crown, the female a black one. Drumming by males is very loud, calls include a soft kiuk and a longer kweek.
Taxonomy
The white-backed woodpecker was described by the German naturalist Johann Matthäus Bechstein in 1802 under the binomial name Picus leucotos. The specific epithet leucotos combines the Classical Greek leukos meaning "white" and -nōtos meaning "-backed". The type locality is Silesia, a historical region mainly located in Poland. The species is now placed in the genus Dendrocopos that was introduced by the German naturalist Carl Ludwig Koch in 1816.<p>Twelve subspecies are recognised.<p>The subspecies D. l. owstoni is sometimes considered a distinct species, the Amami woodpecker.
- Scientific name
- Dendrocopos leucotos
- Authority
- (Bechstein, 1802)
- Order
- Piciformes
- Family
- Picidae
- Genus
- Dendrocopos
Range and habitat
The nominate race D. l. leucotos occurs in central and northern Europe, with the race D. l. lilfordi found in the Balkans and Turkey. Ten further races occur in the region eastwards as far as Korea and Japan. It is a scarce bird, requiring large tracts of mature deciduous forests with high amounts of standing and laying dead wood. Numbers have decreased in Nordic countries. In Sweden, its population decline has caused the Swedish government to enact protection for the species in the national Biodiversity Action Plan.
- Migration
- Resident species
Behavior
In the breeding season it excavates a nest hole about 7 cm wide and 30 cm deep in a decaying tree trunk. It lays three to five white eggs and incubates for 10–11 days. It lives predominantly on wood-boring beetles as well as their larvae, as well as other insects, nuts, seeds and berries.<p>In the wild the white-backed Woodpecker (Dendrocopos leucotos) can survive between three and four years, while in captivity they can survive for approximately eleven years.
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
Ochre-naped Ground-Tyrant
Muscisaxicola flavinucha
Fairly large terrestrial flycatcher, breeding in the southern Andes and migrating north in winter. Favors bogs, streamsides, and other wet areas in open rocky and stony terrain, but migrants can be grounded in lowland fields. Often in same areas as other ground-tyrant species, and identified by grayish plumage tones, whitish forehead patch, and contrasting ochre nape patch (can be hard to see, depending on angle).
Tropical Boubou
Laniarius major
Robust black-and-white bushshrike. There is a pale cinnamon wash on the belly and a white stripe across the top of the wing. Found in dense microhabitats within forest, woodland, thickets, and gardens. Not particularly shy, but spends most of its time in dense cover, usually in pairs. Highly vocal bird with a variety of calls. The song is a synchronized duet of hollow hoots from the male and ratcheting calls from the female. Has a very similar color pattern to other boubous, but its underparts are paler than those of Southern Boubou and darker than those of Swamp Boubou. Has a white stripe on the wing, unlike Zanzibar Boubou.
Goliath Heron
Ardea goliath
This enormous heron stands 1.5 meters tall and has a robust, dagger-like bill. The immature has rustier upperwings than the adult. Its flight is ponderous and labored. Goliath Heron inhabits large rivers, marshes, estuaries, and mangroves, hunting for large fish and other animals, stabbing them with an open bill. It has a distinct, barking “kowoork” call that can be heard from up to 2 km away. Purple Heron has similar plumage, but Goliath Heron is twice the size, has a much larger bill, and has a rufous (not blackish) top of the head.
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