Although cultures around the world may regard the crow as a scavenger, bad omen, or simply a nuisance, this bad reputation might overshadow what could be regarded as the crow’s most striking characteristic – its intelligence.

Learn the essential facts about these intelligent birds.

Crow experts from around the world present us with captivating new footage of crows as we have never seen them before.

Filmmaker Susan Fleming describes the awe-inspiring sight of a massive crow roost and explains with infrared imagery how crows retain heat during the night.

Long recognized as one of the most intelligent birds, the raven also has a less than savory image as a scavenger that does not discriminate between humans and animals.

Some scientists consider corvids' intelligence to be on par with canids like wolves and dogs, and have conducted investigations into the raven's brainpower.