Recommended citation: Global Invasive Species Database (2025) Species profile: Corvus frugilegus. Downloaded from http://iucngisd.org/gisd/speciesname/Corvus+frugilegus on 14-01-2025.
Informations on Corvus frugilegus has been recorded for the following locations. Click on the name for additional informations.
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Location
Status
Invasiveness
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Details of Corvus frugilegus in information
Status
Invasiveness
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Species notes for this location
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Impact information
Red List assessed species 0:
Management information
Bibliography
4 references found for Corvus frugilegus
Management information
Porter RER, Clapperton BK & Coleman JD (2008) Distribution, abundance and control of the rook (Corvus frugilegus L.) in Hawke's Bay, New Zealand, 1969–2006. Journal of the Royal Society of New Zealand, 38(1), pp.25-36.
General information
Lever, C. (2005). Naturalized Birds of the World. Bloomsbury, London.
Porter RER, (1979) Food of the rook (Corvus frugilegus L.) in Hawke’s Bay, New Zealand. New Zealand Journal of Zoology, 6(2), pp.329-337.
Contact
The following 0 contacts offer information an advice on Corvus frugilegus
MN
Corvus frugilegus Rook
Date assessed
2021-11-29
Year published
2022
Eicat category
MN (Minor)
Justification for EICAT assessment
Gut content from 265 Rooks in New Zealand contained invertebrates (Diptera larvae and Coleoptera adults, Earthworms). They also prey on other invertebrates, like the Grass Grub (Costelytra zealandica), small and ground nesting birds, lizards and eat bird eggs (Porter 1979, Lever 2005, Porter et al. 2008, Pest Detective 2014).
Confidence rating
Medium
Mechanism(s) of maximum impact
Predation
Countries of most severe impact
New Zealand
Description of impacts
The Rook feeds on native animal and plant species in New Zealand.
Assessor
Tom Allmert; Thomas Evans
Contributors
Reviewers
EICAT authority
Recommended citation
Tom Allmert, Thomas Evans (2025). Corvus frugilegus. IUCN Environmental Impact Classification for Alien Taxa (EICAT).