A new study found that ravens seem to know when they’re being spied upon by a rival who might steal from them, and then take steps to protect their food.
The post Ravens Know When Food-Thieving Rivals Are Watching appeared first on Scout SEO.
from Innovation and Digital Marketing http://www.livescience.com/53571-suspicious-ravens-detect-thieves.html?utm_source=rss&utm_medium=rss
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