There are four images which rotate every 5 seconds. Name the birds and match them to their behavior or fun fact.

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1. The "Ipswich Sparrow" a subspecies that breeds on Sable Island, Nova Scotia, is nearly 50 percent heavier than most other subspecies of this sparrow. It is the palest race, and is found in winter in sand dunes along the Atlantic Coast. It was formerly considered a separate species.

2. Instead of having simple molts like most birds and changing its body feathers once or twice a year, this species may change the feathers of its face and throat up to six times in one year. The rest of the body feathers are only replaced once or twice in the same period.

3. This sparrow is the only member of its taxonomic genus. Based on analysis of morphology, plumage, and other factors, its closest relative is thought to be the Lark Sparrow. This species responds quickly to changes in habitat; it is often the first species to occupy reclaimed mine sites and abandon old farm fields as they return to forest.

4. The range of this sparrow is nearly continuous from the Aleutians to the eastern United States. However, the species is also found on the plateau of central Mexico, about 1500 km (930 mi) from the next closest population. The sparrows of this species that are found on the Aleutian Islands of Alaska are very dark and very large: one-third longer than the eastern birds, and weighing twice as much.

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Answers:

Bird 1: Clay-colored Sparrow
Bird 2: Savannah Sparrow--Fact 1
Bird 3: Song Sparrow--Fact 4
Bird 4: Vesper Sparrow--Fact 3