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He asked anyone who finds a dead crow, raven, magpie or jay or other member of the corvid bird family to call the health authority.
The crow intervened not to protect its fellow corvid but solely because a crow cannot resist the temptation to bully a small raptor.
I responded to Dave that mobbing behavior, when smaller birds team up to harry a larger one, is common in many bird species, from corvids to raptors to songbirds.
Ornithologist John Terres suggests that corvids (including crows) have probably achieved the highest degree of intelligence to be found in any birds.
Postmortem specimens were collected from 40 corvids (9 American crows and 31 blue jays) that had died from no obvious cause.
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