Steller sea lions keep their family close and their breeding spots even closer, as a new study suggests that females choose to breed near the rookery where they themselves were born. Researchers gathered tracker data from 269 female sea lions over the course of 14 years to see how often the sea lions switched rookeries, […]
Tag: breeding
Warblers limited by winds during migration
A new study shows that survival and productivity of the yellow warbler depends most strongly the weather conditions during migration, rather that those in its breeding or wintering grounds. Researchers banded and monitored 380 of the tiny songbirds, which which breed in western Canada and overwinter in Mexico and Central America, over seven breeding seasons. […]
