What specific action related to yard maintenance should be avoided when trying to support thrushes' natural food supply?
Answer
Using pesticides, as this removes food and can cause direct harm through ingestion.
The use of pesticides poses a dual threat to thrush populations. Firstly, the application of these chemicals directly eradicates the insect and invertebrate base that forms the overwhelming majority of the thrush's diet, effectively starving them by removing their primary food source. Secondly, and more dangerously, if the birds consume insects that have themselves ingested the chemical treatments, the pesticides can be transferred directly into the bird's system, leading to poisoning and direct harm to the thrush.

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