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White-crowned sparrow: North America Zonotrichia albicollis: White-throated sparrow: ... The female lays brown-blotched greenish-blue or greenish white eggs, which ...
The golden-crowned sparrow is one of five species in the genus Zonotrichia, a group of large American sparrows. [2] It has no subspecies. [3] It is a sister species with, and very closely related to, the white-crowned sparrow; studies of mitochondrial DNA show the two evolved into separate species very recently in geologic time.
White-throated sparrows breed in central Canada and New England. They nest either on the ground under shrubs or low in trees in deciduous or mixed forest areas and lay three to five brown-marked blue or green-white eggs. The tan and white morphs of white-throated sparrows use different reproductive strategies.
The research that Tuttle focused on during her undergraduate work began with the white-throated sparrow alongside Doug Fraser and at the CLBS. Her later graduate and post-doctoral studies would expand to the subjects of sexual selection and reproductive trade-offs. This led into how the process of sperm competition functions in birds.
The black-capped chickadee is the state bird of Massachusetts. This list of birds of Massachusetts includes species documented in the U.S. state of Massachusetts and accepted by the Massachusetts Avian Records Committee (MARC). As of July 2023, there are 516 species included in the official list. Of them, 194 are on the review list (see below), six have been introduced to North America, three ...
The white-crowned sparrow is a very rare vagrant to western Europe. [5] It has been sighted in England, Scotland, [5] [6] Ireland, [7] and Norway. [8] In 2008 a white-crowned sparrow was spotted in Cley next the Sea in Norfolk, England. [9] To commemorate the event an image of the bird was included in a window at St Margaret's Church.
Order: Anseriformes Family: Anatidae The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans.These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils.
Those that breed in the northern parts of North America, such as the white-throated sparrow and Lincoln's sparrow, migrate further southward into the continent during the winter, while others like the dark-eyed junco have been able to adapt to staying all year-round in some areas of North America. Most North American passerellid species usually ...