Recommended citation: Global Invasive Species Database (2025) Species profile: Athene noctua. Downloaded from http://iucngisd.org/gisd/speciesname/Athene+noctua on 14-01-2025.
Hounsome, T., O'Mahony, D.& Delahay, R. (2004). The diet of Little Owls Athene noctua in Gloucestershire, England, Bird Study, 51:3, 282-284, DOI:
10.1080/00063650409461366
Marples, B.J., (1942). A Study of the Little Owl, Athene noctua, in New Zealand. Transactions and Proceedings of the Royal Society of New Zealand.
Watt, J.C. (1979). Conservation of the Cromwell chafer Prodontria lewisi (Coleoptera: Scarabaeidae). New Zealand Journal of Ecology 2: 22-29.
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MN
Athene noctua
Date assessed
2021-09-09
Year published
2022
Eicat category
MN (Minor)
Justification for EICAT assessment
The nests, pellets, gizzards and stomachs of Little Owls contained mainly invertebrates and some small vertebrates (e.g. birds, rodents). There is no evidence that this has caused a decline of these species. It is the only known predator of the Cromwell Chafer Beetle (Prodontria lewisi), but the overall effect of predation on the population of P. lewisi is unknown (Marples 1942, Glue 1972, Watt 1979, Hounsome et al. 2004, Barratt 2007, Troup 2021).
Confidence rating
Low
Mechanism(s) of maximum impact
Predation
Countries of most severe impact
United Kingdom; New Zealand
Description of impacts
The Little Owl preys on several invertebrate and occasionally on small vertebrate species.
Assessor
Thomas Evans; Tom Allmert
Contributors
Reviewers
EICAT authority
Recommended citation
Thomas Evans, Tom Allmert (2025). Athene noctua. IUCN Environmental Impact Classification for Alien Taxa (EICAT).