Birds
The bird is a feathered, egg-laying, warm-blooded vertebrate with four members. It has a horned beak with no teeth, and has legs as hind members and wings as fore members, which permit most species to fly. It is cabable of diving, gliding or propulsing itself (see animal flight techniques).
It has a very light skeleton. Its bones have cavities with small bags of hot air which are linked to its respiratory system. They represent 15% of total body weight.
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| Redbreast | Blackbird |
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| Pidgeon | Sparrow |
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| Chaffinch | Great Spotted Woodpecker |
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| Common Magpie (Pica pica) |
White Wagtail (Motacilla alba) |
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| True Thrush | Blue Tit (Parus caeruleus) |
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| March Tit | Crested Tit ( Parus palustris) |
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| Goldfinch (Carduelis carduelis) |
Female Greenfinch (Carduelis chloris) |
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| Stork | Swan |
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| Grey Heron | Swallow |
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| Redstart | Hawfinch (Coccothraustes coccothraustes) |
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| Eurasian Jay (Garrulus glandarius) |