Scops owl

The Scops owl, also called Scops-owl, is the second-smallest type of owl in the world, the smallest being the Elf owl.

In the books
The Scops owl makes a brief cameo in Harry Potter and the Goblet of Fire. At the post office on Main Street in Hogsmeade, Scops owls are present, with a sign above them which reads, "LOCAL DELIVERIES ONLY".