Black-cheeked Mountain Tanager

Large, almost tailless game bird that lives on the ground in humid tropical lowlands. Hunted for food and thus has been wiped out from many areas. Rarely seen, but haunting two-parted whistled song can be heard, especially early and late in the day and even at night. Sometimes flushes explosively from close range, crashing off through the forest understory. Plumage rather plain overall, warm brown above and grayish below, with grayish (not reddish) legs.

Big, dark pigeon with black-and-white slashes on the back of the head. The feet, bill, and eye-ring are bright yellow, but the bird looks plain in flight. Found on the Comoro Islands in the canopy of moist forest, secondary habitat, and plantations. Most common at higher elevations. Common vocalization is a growling call, followed by several low hoots. Could be mistaken for Madagascar Turtle-Dove, but dwells in the canopy, is larger, has yellow bare parts, and doesn’t show pale corners to the tail in flight. 

Large, dark brown skua with a very robust beak. Several subspecies vary in plumage from largely dark to mottled pale brown. In flight, exhibits a broad white patch on both upperwings and underwings. Usually seen well offshore, less often towards the coast; often follows boats. Lacks the capped appearance of Great and Chilean Skuas, and has darker underwing coverts than those species. The dark morph of South Polar Skua has colder tones and a smaller bill, but field separation is difficult.