In observing a mated pair, the largest of the two is usually the male. A physical examination of the cloacal vent can positively identify a male Canadian goose by his corkscrew penis. The exam should only be performed by someone trained in the procedure to prevent injury to the bird or the examiner.
Jun 19, 2017 · The best way to determine the sex of any bird is to have a veterinary expert evaluate cloacal opening of a bird. By inserting a lubricated finger into the bird's vent, the vet can attempt to palpate a penis, which, if present, indicates that the bird is a male.Author: Ben Team.
Jun 02, 2017 · Geese are mature at 7 months and this is the best time to identify the sex of the bird, according to the Department of Primary Industries. A team of people is recommended, one to hold the bird and one to gently push the goose's tail toward the head while pressing without force on the abdomen to coax the bird into relaxing and exposing the vent.Author: Bridget Johnson.