The word "crow" is used as part of the common name of many species. The related term " raven " is not linked scientifically to any certain trait but is rather a general grouping for larger-sized species of Corvus .

To Know the Crow: Insights and Stories From a Quarter-Century of Crow Study [Video] Jays and Crows Act as Ecosystem Engineers Counting Crows: The Impact of the West Nile Virus

American crows are the New World counterpart to the carrion crow and the hooded crow of Eurasia; they all occupy the same ecological niche. Although the American crow and the hooded crow are very similar in size, structure and behavior, …

Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect the range of the American Crow. Learn even more in our Audubon’s Survival By Degrees project.

American Crow Identification. Overview; ID info; Life History; Maps; Sounds; Identification; Photo Gallery; Similar Species; American Crow Photos and Videos

2024年12月11日 · Crow, (genus Corvus), any of various glossy black birds found in most parts of the world, with the exception of southern South America. Crows are generally smaller and not as thick-billed as ravens, which belong to the same genus.

The American Crow is extremely susceptible to West Nile virus, which was introduced into North America in 1999. Virtually all crows that contract West Nile die within one week, and few seem able to survive.

2024年4月4日 · American crow, we love you so! Learn important facts about crows, including where they live, what they eat, and what their calls sound like.

2023年10月28日 · When you spot a black bird in your backyard, you likely assume it's a crow. While color is a common trait, many types of crows can surprise us with their diversity. Some are not entirely black, boasting lighter hues you wouldn't expect.

The species commonly encountered in Europe are the carrion crow, hooded crow, common raven, and rook; those discovered later were named "crow" or "raven" chiefly on the basis of their size, crows generally being smaller.