The pure breeding range has a size of only 1 km2 and lays in a theme park.

Three of the four species are tropical, and one has a sub-polar breeding range.

It has a large breeding range in northern Eurasia.

It is considered a vulnerable species because of its restricted breeding range.

It has a large population of 1,600,000-4,600,000 mature individuals and a huge breeding range estimated at 29,200,000 km (11,300,000 mi).

Its breeding range is from central Mexico to central Argentina.

Within the natural breeding range, this may be affected by legislation.

It winters throughout much of the southern breeding range and south to Baja California.

It winters in most of its southern breeding range.

It winters in much of the southern breeding range.