What specific protein-rich prey might a cardinal hunt when investigating damp soil?
Answer
The plump, protein-rich hornworm.
When cardinals investigate damp soil or turn over leaf litter, they are frequently searching for larger, more substantial targets. The text specifically highlights that the plump, protein-rich hornworm is a favored item on their menu when these substantial caterpillars are present in local gardens or on host plants, offering a significant protein payoff for the foraging effort.

#Videos
Cardinal and Oriole Feeding on Mealworms - YouTube
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