Wayne R. Petersen
WAYNE R. PETERSEN
In this issue, readers are challenged by what appears to be a sparrow or finch of some kind. The conical shape of its bill suggests that it is better adapted for cracking seeds than for foraging for insects and other soft-bodied arthropods. Although bill shape alone does not mean that a species exclusively feeds on one type of food, it nonetheless is suggestive of its preferred food or items that it is especially adapted to eat.
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