Somali Crombec

The only nightjar in the mountains of New Guinea. White chevron in the throat but lacks any white patches in the wing or tail. Forages in flight over forest gaps and heathland or does sallies from a perch. Similar to the lowland Papuan Nightjar but does not co-occur. Call, a short single note, followed by 2 churring notes, the second downslured, “whip! wirrr-weerrr”.

Large, dark, olive-green sunbird with a long, down-curved bill. Can show yellow tufts on the shoulders, though these are usually hidden. Found in forest and adjacent gardens and lush scrub. Usually in the understory. Less social than other sunbirds, and often seen alone. Most distinctive vocalization is a pretty, up-and-down series of clear notes. Mouse-colored Sunbird is similar, but Olive Sunbird is more olive-green than gray.

Powerful dark brown seabird, resembles a dark, heavily built immature gull. Note eye-catching white flashes in the primaries when in flight. Adults have distinct pale mottling on the upperparts, which serves to separate them from adults of the very similar South Polar Skua. Juveniles are more uniformly colored, with warm-colored and largely unmarked underparts; note bulkier build and more powerful flight than Pomarine Jaeger. Breeds locally on moorland of islands and coasts in northern Europe, where aggressive near nests. Otherwise lives at sea, but may be seen from shore during windy conditions during migration periods. Feeds by pirating gulls and other seabirds, also by scavenging at fishing boats.