Calidris canutus rufa

Calidris canutus rufa NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. The red knot was added to the list of Federal candidate species in 2006. A final rule to list the rufa subspecies as threatened under the Endangered Species Act was published on December 11, 2014, with an effective date of January 12, 2015. Red knots are federally protected under the Migratory Bird Treaty Act, and are State-listed as endangered.At 9 to 10 inches long, the red knot is a large, bulky sandpiper with a short, straight, black bill. During the breeding seaso

ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.Rufa Red Knot (Calidris canutus rufa), a Wisconsin Special Concern species, is an Arctic breeder that occurs uncommonly during migration along coastal sandy beaches in Wisconsin from mid-May to early June in spring and from mid-July to early November in fall. Since this subspecies does not breed in Wisconsin, avoidance dates do not apply.