Category: Irruptive migration precipitated by food supply

  • One Of My Irruptive Migrants

    This morning nearly caught me doing cartwheels. Almost. But certainly a moment of great joy. I spotted a Red-breasted Nuthatch (Sitta canadensis). One of my favorite birds. But because they are irruptive migrants, I don’t see them every winter. Absence, indeed, makes the heart grow fonder. Irruptive migration is when a species of bird depends…