When a Greylag Goose Retrieves an Egg from Outside the Nest

Multiple Choice

When a greylag goose retrieves an egg from outside the nest, she extends her neck, places the underside of her bill against the egg's far surface, and bends her neck to bring the egg into the nest with a chin-tucking movement. If the egg veers, she adjusts the position of her bill by moving it from side-to-side to correct the direction of the roll. If the egg is removed after the goose has begun the retrieval process, what will happen?

A) The goose will continue with the chin-tuck, but the side-to-side movements will disappear.
B) The goose will continue with the side-to-side movements, but the chin-tuck will disappear.
C) The goose will continue with both the chin-tuck and the side-to-side movements.
D) The goose will immediately stop the retrieval behavior altogether.