Willow ptarmigan, announcing the spring season, squawk noisily, as their camouflage begins to change from white to mottled brown.
(their camouflage; begins; ) (their camouflage; to change; from white; to mottled brown) (Willow ptarmigan; squawk noisily; T:as their camouflage begins to change from white to mottled brown) Context(Willow ptarmigan squawk noisily,List([0, 62))):(Willow ptarmigan; squawk noisily announcing; the spring season)
Willow ptarmigan squawk noisily,List([0, 62))
their camouflage their camouflage Willow ptarmigan Willow ptarmigan
begins to change squawk noisily squawk noisily announcing
from white to mottled brown
T:as their camouflage begins to change from white to mottled brown
the spring season