Eastern Bluebird | Breeding | Feeding | Range | Migration | Voice | Facts This article addresses cover interesting facts and some of the most frequently asked questions about female eastern bluebirds. Facts and question relate to the breeding biology of the eastern bluebird. 1. Female bluebirds regularly nest with a male but can accept […]
Eastern Bluebird | Female Bluebird | Facts Female Bluebird | Some are Bluer | Bluebirds of NA This article focuses on the appearance of the female Eastern Bluebirds. It also compares a female’s characteristics with that of a male. While the striking deep blue and orange plumage of a male eastern bluebird is unmistakable, the
Bluebirds seem to come in many shades of blue. There are birds that are dull blue and others that are deep blue. Sometimes they even appear dark. Color perception varies for a variety of reasons, including the fact that bluebirds acquire new plumage every year, the quality and availability of food during the molting period,
Bird Habitat is the area with ecological and environmental characteristics where a species has adapted to find essential elements such as food, water, shelter, and mates for reproduction. Are birds restricted to specific habitats? Birds can fly and are seemingly everywhere, but they occupy specific areas (habitats) that meet all or part of these essential
Nests of the Chestnut-collared Swallow (Petrochelidon rufocollaris) made of mud mixed with plant matter. The Nest of Birds Definition: A bird nest is a place and structure where birds lay their eggs, incubate them, and rear the nestlings. Nest can be built and attended by a pair or multiple individuals working together in a cooperative
What is Bird Melanism? Bird Melanism: This is a genetic mutation that results in excess dark pigment production known as melanin. Melanism is a dominant allele, which can be passed on to the next generation. Tell me more… Depending on the extent of the melanism in an individual, the bill and other bare parts of
In this article, I explore the process of aging nestling bluebirds through their growth stages. These growth stages are very similar in Eastern Bluebirds and Western Bluebirds. By closely observing the developmental and physical changes that occur during the nestling period, we can gain an understanding of the growth young bluebirds undergo. Let’s uncover the
What is Bird Albinism Bird Albinism: This is a genetic mutation that results in the lack of an enzyme essential to produce melanin. The lack of melanin means that the plumage in albinistic birds is white. Albinistic birds typically have pink or reddish eyes, flesh-colored bills, legs, and skin. Birds have multiple pigments other than
The colors and shapes of birds are variable, but the arrangement of feathers or feather areas on a bird’s body is remarkably similar across all species. Familiarizing with the group feathers and a bird’s body parts is among the most important tools ornithologists, and birders can have when identifying a bird by its appearance. Learning
Bird Plumage A bird’s plumage is composed of patterned feathers and pigments that produce remarkable effects on its appearance. Bright yellow, green, and blue colors make up the plumage of the Many-colored Rush-Tyrant of South America (Photo above). The other extremes are drab gray olive or brownish birds, such as many shorebirds and tyrant flycatchers.
