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Pinyon jay movement, nest site selection, nest fate, and renesting in central New Mexico
(2019-12)
Pinyon jays (Gymnorhinus cyanocephalus) are an avian species of conservation concern in the southwest U.S. Due to habitat elimination and degradation, pinyon jay numbers have decreased approximately 3.5% per year since ...
Insulin-like growth factor 1 and the hormonal mediation of sibling rivalry in eastern bluebirds (Sialia sialis)
(2020-05)
In altricial animals, young are completely dependent on parents for provisioning. Because this provisioning is limited, the ability to outcompete siblings to receive food items and parental attention has clear fitness ...