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Animalia > Corvidae
Pica
Common magpie
Common Name: Magpies -
Animalia > Passeriformes
Corvidae
Crows and Allies
Common Name: Magpies -
Economic Importance for Humans: Positive
Description of Pica hudsonia
Black-billed magpies eat pest species such as Orthoptera, cutworms (Agrotis... -
Food Habits
Description of Pica hudsonia
Black-billed magpies, like other Corvidae, are opportunistic omnivores. They often... -
Ecosystem Roles
Description of Pica hudsonia
The sturdy nests built by black-billed magpies may last four... -
Economic Importance for Humans: Negative
Description of Pica hudsonia
Black-billed magpies occasionally cause damage to fruit and nut crops,... -
Other Comments
Description of Pica hudsonia
The population of Pica nuttalli has been decimated since West... -
Physical Description
Description of Pica hudsonia
Black-billed magpies are mid-sized birds with a long tail, represent... -
Conservation Status
Description of Pyrrhula pyrrhula
Only 1/3 of all clutches in woodland and 2/3 of... -
Predation
Description of Eliomys quercinus
A variety of animals prey upon dormice. Among these are... -
Behavior
Description of Pica hudsonia
Black-billed magpies walk with a swaggering gait and frequently hop... -
Communication and Perception
Description of Pica hudsonia
Two different alarm calls have been described: a basic alarm... -
Conservation Status
Description of Pica hudsonia
During the first half of the 1900’s, black-billed magpies were... -
Biology
Description of Pica
This much maligned bird is widely disliked because of its feeding... -
General Ecology
Description of Microtus oeconomus elymocetes
May be cyclic with periodic high densities. Principal predators likely include... -
Predation
Description of Anas acuta
People are the main predators of adult pintails, but they... -
Lifespan/Longevity
Description of Pica hudsonia
Average lifespan of male black-billed magpies is 3.5 years, females... -
Predation
Description of Pica hudsonia
Known predators of black-billed magpies include American crows, common ravens,... -
Predation
Description of Icterus bullockii
Predators include jays, magpies, crows, and squirrels (Bent 1958; Jaramillo... -
Geographic Range
Description of Pica hudsonia
Black-billed magpies are found in western North America, with a... -
Habitat
Description of Pica hudsonia
Black-billed magpies inhabit rangeland and wooded country with open fields,... -
Black-billed Magpie
Description of Pica hudsonia
The Black-billed Magpie (Pica hudsonia) is a bird in the crow... -
Introduction
Description of Lucanus cervus
Lucanus cervus the stag beetle is Britain’s largest known terrestrial beetle.This... -
Threats
Description of Oligosoma acrinasum
Major Threats This species had not been observed on islands colonized... -
Threats
Description of Glareola nordmanni
Populations of the black-winged pranticole have been declining since the end...