A new model shows that, even when polar bears come ashore earlier than in the past and have access to a new bounty in goose eggs, they cannot consume enough eggs to cause extinction in the birds because of trophic mismatch.
A new model shows that, even when polar bears come ashore earlier than in the past and have access to a new bounty in goose eggs, they cannot consume enough eggs to cause extinction in the birds because of trophic mismatch.