Wild boar are primarily nocturnal animals irrespective of sex, age, or season, although they may be more diurnal in times of food shortage.
A loon is a large, heavy bird that weighs about 9 pounds (4 kilograms). Ducks range from 15 to 24 inches & are related to swans.
but not to duck-goose. Actually, the dividing line between ducks and geese is somewhat dubious. The Muscovy duck (which doesn't come from Russia) is thought by many to be a small goose, and the Shelduck is a very goose-like duck in many ways. The swan-goose cross would be easier to achieve, as there is greater similarity of size.