What is the most reliable physical marker visible across all ages and sexes of the Northern Harrier?
Answer
White rump patch
The prominent white rump patch is noted as the most reliable marker visible on the Northern Harrier, regardless of its age or sex.
Related Questions
How are the Northern Harrier's wings typically held during its low patrol flight?What is the most reliable physical marker visible across all ages and sexes of the Northern Harrier?What unique facial structure does the Northern Harrier share with owls, hypothesized to aid in sound location?How is the adult male Northern Harrier typically described in terms of coloration compared to the female?What characteristic flight style separates the Northern Harrier from falcons or accipiters?When searching for prey, what action does the harrier often take immediately upon detection before striking?What is the primary reason Northern Harriers face conservation challenges in states like New Jersey and Massachusetts?Where are Northern Harrier nests characteristically built?Which physical features contribute significantly to the Northern Harrier's steady, buoyant quality in the air?Which statement accurately describes the difference between the adult male and female plumage?