Migration and Dispersal. Arduous journeys.
Morell
Virginia
V
D000220:Adaptation, Biological; D025041:Animal Migration; D000818:Animals; D003463:Cues; D004777:Environment; D005247:Feeding Behavior; D005426:Flight, Animal; D007323:Instinct; D012098:Reproduction; D020308:Songbirds / Q000235:genetics / Q000502:physiology*