| 21. | It is found from many Afrotropical, Indo-Australian, Oriental, Palaearctic regional countries.
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| 22. | It is found in Australasian, Indo-Australian, Oriental, and Palaearctic regional countries.
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| 23. | The large distance separating the ranges of the two sister species is very unusual for Palaearctic passerines.
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| 24. | This is one of the most common and widespread " Myrmica " species of the Palaearctic.
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| 25. | In the Palaearctic, breeding populations are declining in much of the range, including its stronghold in Russia.
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| 26. | Species occur in many habitats in many regions, including Neotropical, Nearctic, Afrotropical, Palaearctic, Oceanic.
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| 27. | He was primarily known for his extensive research into the breeding biology of the birds of the Palaearctic region.
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| 28. | The original ancestral area of limacoid families is thought to be the Palaearctic region and south-eastern Asia.
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| 29. | It consists of two subgenera, the holarctic " Chionea " and palaearctic " Sphaeconophilus ".
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| 30. | Between 1902 and 1960 he amassed an extensive collection of Palaearctic Lepidoptera now in the Natural History Museum, London.
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