Thousands of snow geese fly in the sky at Garry Point Park in Richmond, Canada, on a massive migration heading south from their breeding ground on Wrangel Island to Washington State, United States.Thousands of snow geese migrate from their breeding grounds on Wrangel Island to Washington State, United States. Richmond is one of their favourite places to take a break during the long journey.Migrating pelicans at a water reservoir in Mishmar HaSharon, north of Tel Aviv, Israel, on Oct 26, 2017. Every year, thousands of pelicans pass through Israel on their way to Africa for the winter.A migrating pelican flies over a water reservoir in Mishmar HaSharon, north of Tel Aviv, Israel. Every year, thousands of pelicans pass through Israel on their way to Africa for the winter.