11.Both parents are responsible for hatching eggs and feeding the chicks.
Hatching lasts about 12 days from the day of laying the last egg. After hatching, the chicks remain in the nest for at least three weeks. The young are fed even after leaving the nest.
12.The great spotted woodpecker reaches sexual maturity at the age of one year.
To impress a female, the male performs a spectacular flight show, flapping his wings, spreading his tail, and calling for her.
13.Woodpeckers build their nests in the hollows of large trees.
They prefer damaged tree trunks as potential homes and treat digging a hole in a healthy tree as a last resort when they have no other choice. Digging a hollow takes from two to three weeks. Woodpeckers rarely inhabit the same hollow, usually creating a new one each year. They also like to occupy nesting boxes.
14.They forge their hollows between 0.3 and 8 meters above the ground.
Sometimes the hollow may be located higher, up to 20 meters. The male does most of the construction work. The entrance hole is 4.5 to 5.5 centimeters in diameter and leads into a chamber 25 to 35 centimeters deep, littered with sawdust and wood chips produced during construction.
15.Great spotted woodpeckers are highly territorial, and their range can be as extensive as 5 hectares.
They inhabit it year-round and the male is mainly responsible for defense.
16.They spend winters in interspecific groups.
Then they are met in the company of other woodpeckers, tits, nuthatches, treecreepers, and goldcrests.
17.During the breeding season, the pair remains in a monogamous relationship.
Before the next breeding season arrives, they often change partners.
18.Woodpeckers are most often victims of birds of prey.
Goshawk and sparrowhawk are the greatest threats to these birds. Because of predation, survival rates of these birds cannot be accurately estimated.
19.The maximum lifespan of a great spotted woodpecker is about 11 years.
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