Gape-limited predators, such as snakes, might rely on phenotypic plasticity to cope with variation in prey size, but experimental studies have found mixed evidence for plasticity in snake head ...

Dietary studies are central to our understanding of organismal biology. We describe the diet and frequency of feeding in the Southwestern Speckled Rattlesnake (Crotalus pyrrhus). We used data from ...

For animals who are unable to take bites out of their food, the size of the food item that can be consumed is constrained by the maximal size of the mouth opening (gape) — snakes are an example of ...