Rook
Corvus frugilegus
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<birdfyi-bird slug="corvus-frugilegus"></birdfyi-bird>The Rook (Corvus frugilegus) is a bird species in the family Corvidae (crows, jays & magpies), within the order Passeriformes (songbirds). Recorded measurements include a wingspan of 62.5 cm and a weight of 451.8 g. The IUCN Red List classifies it as Least Concern.
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Sobre
Gralha-calva (Corvus frugilegus) — Gralha colonial europeia reconhecida pela pele nua cinzenta na base do bico dos adultos. Plumagem negra com reflexo azul-violeta. Habita campos agrícolas abertos e ninhos em colônias nas copas de árvores. Migratória no inverno. Alimenta-se de minhocas, insetos e sementes. Forma enormes dormidas no inverno.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Envergadura | 62,5 cm | 24.6 in |
| Peso | 451,8333333333333 g | 15.94 oz |
Habitat & Range
Estado de conservação
Comportamento e reprodução
Nidificação
Nest type: CP. Incubation: 16-18 days. Fledging: 30-36 days.
Tamanho da postura
2-7
Taxonomia
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Ordem | Passeriformes (Songbirds) |
| Família | Corvidae (Crows, Jays & Magpies) |
| Genus | Corvus |
| Espécies | Corvus frugilegus |
Distribution
Rook has been recorded in 6 countries.
countries highlighted
External Databases
Perguntas frequentes
Is the Rook endangered?
How does the Rook nest?
How big is the Rook?
What order and family does the Rook belong to?
Similar Birds
Other species in the Corvidae family