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Hughes, D. F. 2019. Loggerhead Shrike (Lanius ludovicianus) predates California Red-sided Gartersnake (Thamnophis sirtalis infernalis). Herpetology Notes 12(939-940).
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Recommended citation
BirdLife International (2024) Species factsheet: Loggerhead Shrike Lanius ludovicianus. Downloaded from
https://datazone.birdlife.org/species/factsheet/loggerhead-shrike-lanius-ludovicianus on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/11/2024.