Canada Geese attacking during a goose egg addling job

What is Goose Egg Addling? It is a wildlife management method of population control for Canada geese and other bird species. The process of addling involves temporarily removing fertilized eggs from the nest, testing for embryo development, terminating embryo development, and placing the egg back in the nest.

Take a look at how a mating pair defends their nest. Wild geese try to care for their eggs.