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- Macías-Duarte, Alberto; Conway, Courtney J.
- The Auk 2015 v.132 no.1 pp. 25-36
- Athene cunicularia, etc ; birds of prey; deserts; deuterium; feathers; food webs; grasslands; juveniles; models; stable isotopes; Canada; Mexico; Show all 12 Subjects
- ... Deuterium (²H) has been used to track movements of land birds, under the assumption that δ²H in precipitation (δ²Hₚ) and δ²H in bird feathers (δ²Hf) are correlated across broad geographic gradients. The nature of this correlation has been evaluated only in a small percentage of the birds that breed in North America. We sampled Western Burrowing Owl (Athene cunicularia hypugaea) feathers of known o ...