Narethii t1_iufg8hw wrote
Reply to comment by que-mierda in LPT: Collect brushed fur of your pets into a bag and put it into a bird feeder. The birds will take away this fur for their nests by mykeuk
If that was a concern birds wouldn't do it in the first place, birds have been using sheddings from other animals since before humans domesticated dogs. This behavior would have been an evolutionary dead end of animal fur was an inherently dangerous material. The real issue people dose their pets with pesticides and baby birds are notoriously vulnerable to pesticides
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