Do Birds Eat Budworms?

The percentage of the budworm population consumed by birds decreased as budworm numbers increased. Birds consumed 84% of the larvae and pupae where budworm pop- ulations were low, 22% where budworm populations were intermediate between low and high density.

What eats the spruce budworm?

Vertebrate predators of the spruce budworm include birds, mammals, and fishes. Birds are the best-known and probably most important predators of the spruce budworm. Predaceous mammals include the rodents (Rodentia) such as voles and the insectivores (Insectívora) such as shrews.

Do birds eat spruce budworms?

5. Who eats spruce budworm. Many forest bird species eat spruce budworm, as is evidenced from both behavioural studies (Kendeigh 1947; Morse 1978; Zach and Falls 1975) and stomach contents analysis (Crawford and Jennings 1989; Crawford et al.