"S" neck, mostly white. Geese: straighter, varied colors. Both have webbed feet and water-resistant feathers.
Swans, larger at 15-20 lbs, 59" length, 10ft wingspan, compared to geese, 5-14 lbs, 3-4ft wingspan. Exceptions exist.
Swans reach 22mph running and 30mph flying; geese fly up to 70mph with tailwind. Both, rarely aggressive, but potent if threatened.
Wild swans live 20-30 years, ducks 15-20. Predators like foxes threaten eggs and young. Pet birds may live longer.
Geese and swans form lifelong bonds, adapting to new territories. Geese prefer safety in numbers, while swans value independence with mates and young.
Geese favor vegetation in and out of water, while swans, omnivores, consume mollusks, worms, fish, and frogs. Diets vary by breed and habitat.
Swans prefer undisturbed habitats globally, geese live near water, forming large social flocks during breeding.
Swans and geese, aggressive in breeding, choose varied nests. Clutches: 2-12 eggs. Incubation: 28-45 days for swans, 28 days for geese.