Eurasian thick-knee, Stone-curlew
The Eurasian stone-curlew, Eurasian thick-knee, or simply stone-curlew (Burhinus oedicnemus ) is a northern species of the Burhinidae (stone-curlew) bird family.
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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CongregatoryCongregatory animals tend to gather in large numbers in specific areas as breeding colonies, for feeding, or for resting.
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
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MigratingAnimal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migrati...
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starts withIt is a fairly large wader though is mid-sized by the standards of its family. Length ranges from 38 to 46 cm (15 to 18 in), wingspan from 76 to 88 cm (30 to 35 in) and weight from 290 to 535 g (10.2 to 18.9 oz). with a strong yellow and black beak, large yellow eyes (which give it a "reptilian", or "goggle-eyed" appearance), and cryptic plumage. The bird is striking in flight, with black and white wing markings.
The Eurasian stone curlew occurs throughout Europe, north Africa and southwestern Asia. It is a summer migrant in the more temperate European and Asian parts of its range, wintering in Africa. Despite being classed as a wader, this species prefers dry open habitats with some bare ground.
Eurasian stone-curlews probably first breed when they are three years old. The eggs are laid at two day intervals in a scrape on open ground. The clutch normally consists of 2 eggs which are on average 54 mm × 38 mm (2.1 in × 1.5 in). The eggs are pale buff and are variably spotted, streaked or blotched with brown or purple grey. Both sexes incubate the eggs beginning after the last egg is laid. The eggs hatch after 24–26 days. The precocial young leave the nest soon after hatching and are then cared for by both parents for 36–42 days. Normally only a single brood is raised each year but a replacement clutch is laid after the loss of eggs or the loss of small young.
The maximum recorded age recorded from ring-recovery data within the British Isles is 22 years and 4 months for a bird ringed as a nestling in Suffolk in 1990 and caught again in Suffolk in 2012.
Although categorized by the International Union for Conservation of Nature as of Least Concern, some populations are showing declines due to agricultural intensification. For example, a French population has declined with 26% over 14 years.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...