Culling Killing Mammals Raised 
10,000 Birds
OCTOBER 9, 2023
The latter is even captured in a somewhat gruesome video , in which the hornbill plucks a caged bird out of its cage and kills and eats it. At 15h59, the female picked up the fourth chick and killed it by repeatedly crushing it with her beak. Then she tried to feed it to the remaining chicks.
10,000 Birds
MARCH 19, 2013
This was proposed as an example of what we now call “stabilizing selection” … variation is constantly introduced into populations, but every now and then “selective forces” culls the variation out. As you know, a lot of birds are killed in the U.S. If so, the frequency of road kill should decline over time.
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