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Common Raven

Birds

The common raven is one of the largest and most widely distributed songbirds in the world, found across the Northern Hemisphere from the Arctic tundra to deserts and mountains, easily distinguished from the smaller American crow by its larger size, heavier bill, shaggy throat feathers and deep, croaking call. It is remarkably intelligent, ranking among the smartest of all birds, and has been observed using tools, solving multi-step problems, and engaging in apparent play behavior such as sliding down snowbanks. Common ravens are opportunistic omnivores that will eat almost anything, from carrion and small animals to insects, grain and human food waste, and they are known to form long-term pair bonds and cooperate in complex social interactions, including apparent deception of rivals over food caches. The species has held deep symbolic and mythological significance across many cultures throughout history, from Norse mythology to Native American folklore.

Facts
Classification
Diet
Omnivore 2
Living or Extinct
Yes 1
Derived from this species' own Conservation Status: this atlas's IUCN category list has no Extinct value, so a set conservation-status is itself evidence of living status (w-bfill-g5-0924 browse backfill).
Identification
Distinguishing Appearance
It is one of the two largest corvids, alongside the thick-billed raven, and is the heaviest passerine bird; at maturity, the common raven averages 63 centimetres in length and 1.47 kilograms in weight, up to 2 kilograms in the heaviest individuals. 1
Scientific Name
Corvus corax 1
Conservation Status
Least Concern 1
Connections

Child Taxon Of

Corvidae, Taxa
Source Catalogue of Life

Open Questions

Source Common Raven (Wikipedia)
Sources
1. Common Raven (Wikipedia)
Wikimedia Foundation
  • Lead sentence
    The common raven or northern raven (Corvus corax) is a large all-black passerine bird. It is the most widely distributed of all corvids, found across the Northern Hemisphere.
  • Description section
    It is one of the two largest corvids, alongside the thick-billed raven, and is the heaviest passerine bird; at maturity, the common raven averages 63 centimetres in length and 1.47 kilograms in weight, up to 2 kilograms in the heaviest individuals.
  • Taxobox conservation status parameter
    status = LC | status_system = IUCN3.1, status_ref: BirdLife International, 2017, Corvus corax, IUCN Red List of Threatened Species 2017, article number e.T22706068A113271893.
View the Source
2. Wikipedia: Common raven
diet-classification (MediaWiki batch-API article extract states it plainly)
Quote, diet-classification (MediaWiki batch-API article extract states it plainly)
Part of their success as a species is due to their omnivorous diet; they are extremely versatile and opportunistic in finding sources of nutrition, feeding on carrion, insects, cereal grains, berries, fruit, small animals, nesting birds, and food waste.
View the Source
Catalogue of Life
Species 2000 & ITIS Catalogue of LifeChild Taxon Of: CorvidaeView the Source
Open Questions (1 open question)
What is the common raven's true global population?

The Wikipedia article consulted for this species gives no single global population figure; secondary web results cite conflicting uncited totals (roughly 16 million versus 29 million) with no raw source page fetched to confirm either.

What would resolve this A dated global population estimate from a named, fetchable source (BirdLife International DataZone, Partners in Flight, or the IUCN Red List assessment page) with a verbatim figure this atlas can cite directly.
OrnithologyCommon Raven (Wikipedia)
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