Hummingbird Migration 2024 Texas Tech. The fall migration is a journey south back to mexico and central america and starts when the abundance of insects (their main food source) starts to dwindle with cold. The birds typically migrate north in the late winter and spring, after spending their winters in parts of.
As north america moves into spring, hummingbirds are migrating north. The fall migration is a journey south back to mexico and central america and starts when the abundance of insects (their main food source) starts to dwindle with cold.