Greater scaup they can fly at up to . Greater scaup are hunted from shorelines and in open water hunting blinds or layout boats, low-profile kayak-like boats that hunters lie inside. Hunters frequently use decoys to attract the birds, often arranged to simulate a raft of greater scaup and featuring an open area to attract the birds to land. In most countries where greater scaup are hunted, a duck stamp is required along with the normal hunting licences that are required to pursue other game. In America and Canada, waterfowl must be hunted with non-toxic shot. Greater scaup The greater scaup ("Aythya
Lesser scaup alone. The nest is a shallow depression scraped in the ground and lined with plants and some down feathers. Breeding begins in May, but most birds nest only in June, later than usual for North American waterfowl. The clutch numbers about 9–11 eggs on average; up to 26 eggs have been found in a single nest, but such high numbers are from more than one female. Incubation is by the female only and lasts around 3 weeks. The young fledge some 45–50 days after hatching and soon thereafter the birds migrate to winter quarters already. Lesser scaup become sexually mature