Cats Investigation Psychology Research 
10,000 Birds
JULY 5, 2022
An estimated one billion birds collide with glass each year in the United States* and most of them die; window collisions are considered the second highest cause of death of birds after cats (putting aside the big overall causes, like habitat loss and climate change).*
10,000 Birds
SEPTEMBER 18, 2012
This is something not seen in very young children but then typically develops and becomes observable and testable by psychology graduate students who have done innumerable studies on it. A number of research projects have sought to determine if some of these human brain abilities are found in other animals. But that’s another story.
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