Definitions

1. adjective

relating to or characteristic of birds, especially those that forage on the ground for food, such as grouse, ptarmigan, and snipe.

“The rasorial birds were a fascinating sight to behold.”

2. noun

a member of a group of birds that forage on the ground for food, such as grouse, ptarmigan, and snipe.

“The rasorial birds were found in the forest and grasslands.”