Ornaments displayed by females have often been denied evolutionary interest due to their frequently reduced expression relative to males, habitually attributed to a genetic correlation between the sex
This data is from a breeding population of tree swallows, nesting in nest boxes in Davis, CA. Data from adults and nestlings was recorded during the 2016 breeding season. Measurements were taken from
Fairy prion (Pachyptila turtur) and Common diving petrel (Pelecanoides urinatrix) chicks were measured for weight, age estimate, tarsus, wing and bill length at 144 nests over 4 breeding seasons when
Organisms are continuously encountering both predictable and unpredictable ecological stressors within their environment. The activation of the hypothalamic-pituitary-adrenal (stress) axis is a fundam
Life-history traits such as rates of growth, survival and reproduction can vary though time within a single population, or through space among populations, due to abiotically-driven changes in resourc