Quote:
Originally Posted by Chi-Sky21
They are not losing a trait, they would be gaining a trait....the wonderfully useful trait of learning how not to fly into huge objects. Wouldn't leaving the lights on at night HELP the birds see the antenna? Pretty sure most birds die by hitting the buildings themselves.
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Chicago (and other city cores) are geographically small, the birds don't spend the majority of their time here and songbirds only have a 50% chance of living past two years in the wild anyway. I'm not sure the culling of songbirds on downtown highrises is such an existential threat that it will spur evolution.
After all, the majority of birds
don't fly through Chicago and they are the bulk of the gene pool.
Touchy-feely animal loving aside, it's really just more a sanitation issue IMO. I'm not sure I want a bunch of dead birds on rooftops, balconies, sidewalks, etc where they can attract other pests and pose a building maintenance problem.