Middle woodpecker description. Middle spotted woodpecker (Dendrocopos medius)

South-west of the European part of Russia (1). In the Ryazan region it is located near the northern border of the range. For the first time in the region, the common spotted woodpecker was discovered in 2002 in the eastern section of the Oka Nature Reserve (2). By now it has spread quite widely throughout this part of the reserve. The total number of the species in the Oksky Nature Reserve is apparently more than 50 pairs. It may also live in other areas of the region, where, however, it has not yet been discovered.

Habitats and biology

The common spotted woodpecker prefers deciduous forests; in the Oksky Nature Reserve it was recorded nesting in a floodplain oak forest. During non-breeding times, it migrates and can be found in mixed pine-deciduous forests, pine plantations, alder forests and other types of forest. It makes nests in hollows at a height of 6-10 m, as a rule, in dry or rotten trunks and their fragments. It begins nesting relatively early: in early to mid-April. Monogamous. Hollowing out the hollow, incubating and feeding the chicks is carried out by both partners. The eggs are laid on wood chips, specially obtained by birds from the walls of the hollow. There are 6-9 white eggs in a clutch. The chicks hatch in early to mid-May. Adult birds feed them mainly with caterpillars of moths and leaf rollers, as well as spiders and beetle larvae. The chicks leave the hollows at the age of 21-23 days (1-3).

Limiting factors and threats

The regional habitat position of the region and the cutting down of old-growth broad-leaved forests are not entirely clear, but may be of significant importance. In general, the last decade has been characterized by an increase in the number and expansion of the species.

Security measures taken and required

The species is included in Appendix II of the Berne Convention. The species' habitats are protected in the Oksky Nature Reserve. It is necessary to organize the natural monuments “Verkhnee Sheikino” and “Korchazhnoe Tract”, located in the protected zone of the Oksky Nature Reserve and which are the habitat of this and other rare species. The common spotted woodpecker is listed in the Red Book of the Ryazan region for the first time.

The Great Spotted Woodpecker, or Spotted Woodpecker (Latin: Dendrocopos major) is a fairly large bird that belongs to the most famous representatives of the Woodpecker family and the Spotted Woodpecker genus from the order Woodpeckers.

Description of the spotted woodpecker

A distinctive feature of the spotted woodpecker is its color.. Young birds, regardless of gender, have a very characteristic “red cap” in the parietal region. The Great Spotted Woodpecker species includes fourteen subspecies:

• D.m. Major;
• D.m. Brevirоstris;
• D.m. Kamtshaticus;
• D.m. Pinetorum;
• D.m. Hispanus;
• D.m. harterti Arrigoni;
• D.m. Canariensis;
• D.m. tanneri le Roi;
• D.m. Mauritanus;
• D.m. Numidus;
• D.m. Roelzami;
• D.m. Jaronicus;
• D.m. Cabanisi;
• D.m. Stresemanni.

In general, the subspecies taxonomy of the Great Spotted Woodpecker is not well developed today, so different authors distinguish between fourteen and twenty-six geographical races.

Appearance

The spotted woodpecker is similar in size to a blackbird. The length of an adult bird of this species varies between 22-27 cm, with a wingspan of 42-47 cm and a weight of 60-100 g. The color of the bird is characterized by a predominance of white and black colors, which go well with the bright red or pinkish coloring of the undertail. All subspecies have a variegated appearance. The upper part of the head, as well as the back area and rump, have black plumage with a bluish sheen.

The frontal area, cheeks, belly and shoulders are brownish-white in color.. In the shoulder area there are fairly large fields of white color with a black dorsal stripe between them. The flight feathers are black, with wide white spots, due to which five light transverse stripes are formed on the folded wings. The tail is black, except for a pair of outer white tail feathers. The bird's iris is brown or red, and its beak has a noticeable lead-black coloring. A pronounced black stripe begins at the base of the beak, which stretches to the side of the neck and neck. A black stripe borders the white cheek.

Males differ from females by the presence of a red transverse stripe on the back of the head. Juveniles are characterized by a red crown with red-black longitudinal streaks. Otherwise, young woodpeckers do not have significant differences in plumage color. The tail is medium in length, pointed and very rigid. Woodpeckers fly very well and quite quickly, but in most cases they prefer climbing tree trunks. Spotted woodpeckers use their wings only to fly from one plant to another.

Lifestyle and behavior

Great spotted woodpeckers are conspicuous and quite noisy birds, often inhabiting areas near human habitation. Most often, such birds lead a solitary lifestyle, and mass gatherings of woodpeckers are characteristic of the invasion of the nominative subspecies. Sedentary adults have an individual feeding area. The size of the feeding area can vary from two to twenty hectares, which depends on the typical characteristics of the forest zone and the number of conifers.

This is interesting! Before engaging in a fight with a stranger in its own feeding area, the owner takes a so-called confrontation pose, in which the bird’s beak opens slightly and the plumage on its head takes on a ruffled appearance.

Same-sex individuals during the period of active reproduction can fly into neighboring areas, which is accompanied by conflicts between birds. The appearance of strangers provokes fights, in which the birds strike each other with their beaks and wings. The approach of people does not always scare away the woodpecker, so the bird can simply climb up the trunk part closer to the top or fly to a higher branch.

How long do spotted woodpeckers live?

According to official data and observations, the average life expectancy of great spotted woodpeckers in the wild does not exceed ten years. The maximum known lifespan of a woodpecker was twelve years and eight months.

Range, habitats

The range of distribution of the spotted woodpecker covers a significant part of the Palaearctic. Birds of this species are found in Africa, Europe, the southern part of the Balkans and Asia Minor, as well as on the islands of the Mediterranean and Scandinavia. A large population lives on Sakhalin, the southern Kuril and Japanese islands.

The spotted woodpecker belongs to the category of extremely plastic species, so it can easily adapt to any type of biotopes with trees, including small wooded islands, gardens and parks. Bird population density varies:

• in North Africa, the bird prefers olive and poplar groves, cedar forests, pine forests, broad-leaved and mixed forests with cork oak;
• in Poland it most often inhabits alder-ash and oak-hornbeam groves, parks and forested areas with a large number of old trees;
• in the northwestern part of our country, the spotted woodpecker is numerous in various forest zones, including dry forests, swampy spruce forests, dark coniferous, mixed and broad-leaved forests;
• in the Urals and Siberia, preference is given to mixed forests and conifers with a predominance of pine;
• in the Far East, birds of this species prefer foothill and mountain broad-leaved and cedar-broad-leaved forests;
• In Japan, spotted woodpeckers inhabit deciduous, coniferous and mixed forests.

This is interesting! As long-term observations show, young birds are the most prone to moving, and old woodpeckers extremely rarely leave their habitable nesting areas.

The total number of spotted woodpeckers within a biotope can decrease several times, and the process of population restoration takes several years.

Diet of Great Spotted Woodpeckers

The food supply of the spotted woodpecker is very diverse, and the bias towards the predominance of food of plant or animal origin directly depends on the season.

Males and females obtain food in different types of territories. In the spring-summer period, pileated woodpeckers eat various insects in very large quantities, as well as their larvae, represented by:

• barbel;
• cereals;
• bark beetles;
• stags;
• leaf beetles;
• ladybugs;
• weevils;
• ground beetles;
• caterpillars;
• adult butterflies;
• horntails;
• aphids;
• coccids;
• ants.

Occasionally, woodpeckers eat crustaceans and molluscs. With the onset of late autumn, birds of this species can be found near people's homes, where the birds eat food in feeders or, in some cases, feed on carrion. Woodpeckers have also been observed to destroy the nests of songbirds, including pied flycatchers, common redstarts, tits and warblers.

Food is obtained from the trunks of trees and on the surface of the soil.. When insects are detected, the bird destroys the bark with strong blows of its beak or easily makes a deep funnel, after which the prey is removed with its tongue. Representatives of the Woodpecker family, as a rule, only chisel the wood of diseased and dried trees affected by pests. In the spring, birds feed on ground insects, destroying anthills, and also use fallen fruits or carrion as food.

In the autumn-winter period, the woodpecker's diet is dominated by food of plant origin, rich in proteins, including seeds of various coniferous trees, acorns and nuts. For a bird of this species, a characteristic way of extracting nutritious seeds from pine and spruce cones is to use a kind of “forge.” The woodpecker picks a cone from a branch, after which it is carried in its beak and clamped inside a pre-prepared niche-anvil, which is used as natural cracks or independently hollowed out holes in the upper part of the trunk. Then the bird strikes the cone with its beak, and then the scales are pinched off and the seeds are extracted.

This is interesting! In early spring, when the number of insects is extremely limited and edible seeds are completely gone, woodpeckers break through the bark of deciduous trees and drink the sap.

In the territory occupied by one spotted woodpecker, there may be a little more than fifty of these special “anvils”, but most often the bird uses no more than four of them. By the end of the winter period, as a rule, a whole mountain of broken cones and scales accumulates under the tree.

Birds also eat seeds and nuts of plants such as hazel, beech and oak, hornbeam and almonds. If necessary, pileated woodpeckers feed on tender aspen bark and pine buds, gooseberry and currant pulp, cherries and plums, junipers and raspberries, buckthorn and ash.

Order: Woodpeckers Family: Woodpeckers Genus: Spotted woodpeckers Species: Middle spotted woodpecker

Scientific name - Leiopicus medius (Linnaeus, 1758)

Dendrocopos medius (medius)Linnaeus, 1758

Spreading: South the border of the range runs south. Russian border; the boundaries of the range moved to the north. to Vitebskaya, north. Smolensk, south of Pskov, Staritsa district of Tver region; eastern the border is determined by finds on nesting sites near Novomoskovsk, Tula, Uzunov, Moscow, Spassk, Ryazan, Yelets, Tambov, Stary Oskol, Belgorod region. and Lipetsk.

There is unverified information about nesting in the Nakhabino and Biserovo districts of the Moscow region, in the southwest. outskirts of Moscow; reports of nesting in the Ulyanovsk region. are wrong. Currently absent in central and western regions. parts of the Smolensk region. (Gagarin-Vyazma line), to the north. Bryansk region and in the Tula region. north Shchekino; in Kaluga region nests only in the Kaluzhskie Zaseki Nature Reserve and in areas south of the Meshchovsk-Kozelsk line.

In the last 10 years, a sharp reduction in the range in the north has been noted. distribution limit: disappeared from Moscow, after 1992 from the north. parts of the Tula region. (until 1992 it nested in the Zaoksky district, near Tula and in other districts). Nesting in isolated foci is typical for the Oryol, Kursk, Belgorod and Tambov regions. . Continuous nesting is typical for the Lipetsk, Voronezh and southern Bryansk regions, in other places the range is lace, with the rapid movement of the north. borders to the south, and to the east. - to the East.

Habitat: Extremely stenotopic, preferring primarily upland, but not floodplain oak forests. Occupies oak forests of ripe and over-mature age, with an abundance of drying trees. Adults avoid forests and oak groves littered with dry forests and oak groves mixed with other species, although young of the year prefer oak-aspen forests. Rejuvenated and drying oak forests are unattractive to birds. Overmature alder forests can be used as a testing station. It is intolerant of any fragmentation of oak forests.

Puberty occurs at the age of 7-8 months. Group current is characteristic. The female lays eggs daily; dense incubation begins with 3 eggs. Both partners incubate equally during the day. During the period of feeding the chicks, the male is more active than the female. The brood is led by both adults, it breaks up after 9-12 days, additional feeding of the encountered young of the year can continue for another 22-24 days. The clutch size is 3.9-7 eggs, the yield of underyearlings is 74% in optimal biotopes and 65-69% in suboptimal ones.

Number: In Western Ukrainian and North Caucasian centers of stable reproduction of the species, the maximum density (12.6-14.2 individuals/km2) was recorded in mature oak forests of English oak. In rejuvenated oak forests it decreases to 6.7-7.3 individuals/km2 and drops sharply in young oak forests to 0.7-0.9 individuals/km2. In older oak forests, the density is 8.4-8.85 individuals/km2, and as the oak forest matures, the density drops to 4.6-5.1 individuals/km2.

In the oak-hornbeam forests of the Lviv region, the density ranges from 11.4-13.6 individuals/km2 to 0.2-0.3 individuals/km2 in pure hornbeams and 0.08-0.07 individuals/km2 in pure beech forests. The number of birds, especially young of the year, increases in the presence of aspen or poplar: in the Kursk region. in pure oak forests it reaches 10.3-12.6 individuals/km2, while in oak forests with an admixture of aspen it reaches 10.9-15.4 individuals/km2. The attraction to aspen is especially characteristic of young woodpeckers, for whom its influence on numbers is significantly higher.

As a result, in oak forests of different ages with an admixture of aspen, mainly young of the year are concentrated. In the Russian Black Earth Region, the maximum density of birds in mature oak forests is 7.8-8.9 individuals/km2, in floodplain oak forests - 3.1 individuals/km2. With an increase in the proportion of other broad-leaved species in the oak forest, the number of birds drops to 2.7-2.5 individuals/km2, and the participation of small-leaved trees - to 0.8-0.9 individuals/km2, despite the fact that the abundance of these species does not exceed 80-85%; in the latter case, the woodpeckers disappear.

In younger pure oak forests in the Russian Chernozem region, the number decreases in ripening forests to 3.0-3.2 individuals/km2, in even younger forests to 0.25 individuals/km2. Outside breeding areas, it nests in single pairs up to 0.1 individuals/km2 even in the most preferred biotopes, in others below 0.03 individuals/km2. In general, the number of the subspecies is declining outside the foci of stable reproduction and is stable (with interannual fluctuations) in the foci.

The main limiting factor is the drying out and fragmentation of oak forests, which forces birds to use several oak forest fragments with the density of the main food trees (live oaks with partial drying of skeletal branches), while the processes of pair formation occur in one of these fragments around the dry oak tree preferred for nesting . This leads to local congestion during mating, which reduces reproductive success. Another limiting factor is the shortage of dry oaks with rotten core, favorable for the construction of hollows.

Security: Listed in Annex 2 of the Berne Convention. In the regions of sustainable reproduction, it is protected in the Voronezh, Khopersky, Bryansky Les, Central Chernozem and Kaluga Zaseki nature reserves. Due to the ongoing steady decline in numbers, along with the extinction of individual populations in Europe, the territory of Russia is becoming the main focus for the conservation of the species. The main means of saving the species is the preservation of large, at least 35-40 km2, tracts of mature oak forests, artificial plantings of oak forests to combine the remaining fragments into forest tracts.

see also 17.1.4. Genus Spotted Woodpeckers - Dendrocopos

Middle Spotted Woodpecker - Dendrocopos medius

Similar to the Great Spotted Woodpecker, but slightly smaller, the sides with dark streaks, the top of the head in adult birds is always red, the black stripe under the eye does not reach the base of the beak, the white cheeks are connected to the white color on the belly by a continuous stripe (like the Syrian woodpecker) , abdomen yellowish.

Breeds in deciduous forests of the west of the European part of Russia and the Caucasus, very rare everywhere.

Table 35. 413 - yellow; 414 - gray-haired woodpecker (414a - male, 414b - female head); 415 - green woodpecker; 416 - three-toed woodpecker (416a - male, 416b - female head); 417 - great spotted woodpecker (417a - male, 417b - head of a female, 417c - head of a young bird); 418 - head of a Syrian woodpecker; 419 - medium spotted woodpecker; 420 - white-backed woodpecker; 421 - rufous-bellied woodpecker (421a - male, 421b - female head); 422 - lesser spotted woodpecker (422a - male, 422b - head of female); 423 - great sharp-winged woodpecker; 424 - lesser woodpecker; 425 - spinner.

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• - In the common Slavic form, this word had the form dblbtb, which has the same basis as gouge. This bird got its name from the action it performs - chiseling trees...

  Etymological Dictionary of the Russian Language by Krylov

• - Obsesslav. Suf. derivative from the same base as gouge, *delbtьlъ: bt >...

  Etymological Dictionary of the Russian Language

• - long-nosed; motley; variegated; eZh iglun; frowning...

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• - R. dia/tla...

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• - Woodpecker, -tla, husband. Forest climbing bird with a strong beak. Woodpecker family. Pounds like a woodpecker...

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  Ushakov's Explanatory Dictionary

• - woodpecker m. A forest bird with a long, strong beak, allowing it to chisel bark and wood and extract food from hollowed-out crevices and cracks...

  Explanatory Dictionary by Efremova

• - d "yatel, d" ...

  Russian spelling dictionary

• - woodpecker genus. p. woodpecker, ukr. woodpecker, dyaklik, Russian-tslav. woodpecker, bolg. detel, Serbohorv. djetao, gen. p. djetla, Slovenian. dė́tǝɫ, Old Czech. dětel, slvts. d"atel, Polish...

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"The Middle Spotted Woodpecker" in the books

Woodpecker and oak gouge