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The western jackdaw was one of the many species originally described by Carl Linnaeus in his 18th century work Systema Naturae. [2] Owing to its supposed fondness for picking up coins, Linnaeus gave it the binomial name Corvus monedula, choosing the specific name mǒnēdŭla, which is derived from moneta, the Latin stem of the word "money".
The portion of a bird's head found between the forehead —demarcated by an imaginary line drawn from the anterior corners of the eyes—and through the "remainder of the upper part of the head", to the superciliary line. The occiput or hindhead, is the posterior part of the crown. [133] cryptic plumage Also defined: phaneric plumage.
The snow goose has two color plumage morphs, white (snow) or gray/blue (blue), thus the common description as "snows" and "blues". White-morph birds are white except for black wing tips, but blue-morph geese have bluish-gray plumage replacing the white except on the head, neck and tail tip.
Two studies of rufous or Anna's hummingbirds in a wind tunnel used particle image velocimetry techniques to investigate the lift generated on the bird's upstroke and downstroke. [145] [146] The birds produced 75% of their weight support during the downstroke and 25% during the upstroke, with the wings making a "figure 8" motion. [147]
In the winter, when many of these birds are migrating, farmers are now flooding their fields in order to provide temporary wetlands for birds to rest and feed before continuing their journey. [143] Rice is a major crop produced along this flyway, and flooded rice paddies have shown to be important areas for at least 169 different bird species ...
The spiritual meaning behind seeing two of them is that you should take a closer look at your relationships. "Two has a highly intuitive meaning, it is the most relationship-focused number ...
The difficulty with bird baths in winter is that it can be hard to keep the water from freezing. Our experts provide tips for choosing a bird bath and maintaining it all winter long. Meet Our Expert
The difficulties of using live animals on live television provided most of the humor for the few seconds of the bird's appearance. [5] In the video game Age of Mythology: The Titans, a myth unit available to the Atlanteans is the Caladria, which serves as a flying scout and healer, though it more closely resembled an angel than a bird.