Have these geese, perhaps encouraged by milder winters and easy suburban living, simply stopped flying south? In many cases, yes—but the explanation is complicated. In the classic migration ...

The days grow shorter during the late summer and early fall, and that’s how geese know it’s time to get ready for the journey south ... they avoid flying into a headwind that would blow ...

A significant number of Canada’s geese have stopped flying south for the winter, contributing to a population explosion in New England and the Mid-Atlantic states, wildlife researchers said Friday.

The days grow shorter during the late summer and early fall, and that’s how geese know it’s time to get ready for the journey south ... they avoid flying into a headwind that would blow ...