Species of Greatest Conservation Need

Species of Greatest Conservation Need

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BLACK AND WHITE WARBLER

The black-and-white warbler (Mniotilta varia) is a common to uncommon widespread breeder throughout BCR 14. It is most likely to be found in hardwood or mixed-wood pole-sized stands resulting from clear cuts. It is listed as a Species of Greatest Conservation Need in one or more states in BCR 14.

BLACK RAT SNAKE

The black rat snake (Pantherophis spp.) is a long, powerful constrictor reaching up to 6 feet in length. Adults are mostly black or brown with white, yellow or red in between the scales. The undersides are mostly white with dark blotches. Throughout their range, rat snakes are declining in many states. Populations are threatened by habitat alteration, collection for pet trade, roads, and increasing homogeneity of habitats from clearing or maturation of abandoned fields. It is listed as a Species of Greatest Conservation Need in four states in BCR 14.

BLACK-THROATED BLUE WARBLER

The Black-throated blue warbler (Dendroica caerulescens) is a common to fairly common breeder in BCR 14. It prefers deciduous or mixed woodlands with a thick understory of shrubs or saplings. It is listed as a Species of Greatest Conservation Need in at least one state in BCR 14.

BLANDING'S TURTLE

The Blanding’s turtle (Emydoidea blandingii) is a 7- to 9-inch turtle with yellow speckles that often run together to form streaks on the carapace. It is easily identified when basking from its characteristic yellow throat and chin. It uses a variety of shallow wetland habitats including marshes, swamps, bogs, ponds, and vernal pools. Females make long distance upland movements in search of suitable sandy or loamy, full-sun, nesting habitats where they are most vulnerable to mortality from vehicles when crossing roadways.

BLUE-SPOTTED SALAMANDER

The blue-spotted salamander (Ambystoma laterale) is a dark-bodied salamander measuring 3½ to 5 inches and speckled with blue or white flecks and spots across the back, side, and tail. They are most commonly found in moist hardwood forests and wooded swamps, marshes, and bogs. They hybridize with Jefferson salamanders. Threats to this species include development of upland habitat and associated edge effects, filling of wetlands for development, and mortality from vehicles on roadways. It is listed as a Species of Greatest Conservation Need in all six states in BCR 14.

BLUE-WINGED WARBLER

The blue-winged warbler (Vermivora pinus) is an uncommon to locally common breeder whose population s apparently increasing. It is a breeder in the southern part of BCR 14 up to southern New Hampshire. The blue-wing prefers reverting old fields with scattered shrubs and small trees near water. It is listed as a Species of Greatest Conservation Need in one or more states in BCR 14.

BOBCAT

Bobcats are the most widely distributed wild felid in North America and are found in a broad variety of habitat types. They are listed as a Species of Greatest Conservation Need in one or more states in BCR 14.

BOBOLINK

The bobolink (Delichonyx oryzivorus) is a locally common breeder in BCR 14. Its populations have been declining due to the loss of the grasslands it uses as habitat. Modern mowing practices are also adversely affecting this species. It is listed as a Species of Greatest Conservation Need in one or more states in BCR 14.

BROAD-WINGED HAWK

The broad-winged hawk (Buteo platyperus) is a fairly common breeder throughout BCR 14. This bird prefers a matrix of openings, such as pasture, field, swamp, and forest openings such as landings or haul roads. Although relatively common, it is listed as a Species of Greatest Conservation Need in one or more of the states in BCR 14.