A diving waterbird with a black streamlined head, breeding in northern North America, Greenland, and Iceland.
北大潜鸟
Gavia immer, family Gaviidae. North American name: common loon
Example sentencesExamples
The common loon is red-eyed, with distinctive black and white markings and a pointed dagger like beak that is perfect for its long, underwater fishing trips.
Now common loons, one of five loon species, are helping scientists better understand the impact of environmental mercury contamination on waterbirds, fish, and other aquatic wildlife.
From the clifftop, I have watched otters and great northern divers fishing and porpoises passing by further out.
I pointed out that the bird, which I identified as a common loon, was too far gone to be helped but that I'd be happy to take it for the museum's collection.
For example, the wing loading of a highly maneuverable bird such as the chimney swift is ten times smaller than that of the aeronautically challenged common loon.
Definition of great northern diver in US English:
great northern diver
noun
another term for "common loon" (see loon)
Example sentencesExamples
Now common loons, one of five loon species, are helping scientists better understand the impact of environmental mercury contamination on waterbirds, fish, and other aquatic wildlife.
I pointed out that the bird, which I identified as a common loon, was too far gone to be helped but that I'd be happy to take it for the museum's collection.
From the clifftop, I have watched otters and great northern divers fishing and porpoises passing by further out.
For example, the wing loading of a highly maneuverable bird such as the chimney swift is ten times smaller than that of the aeronautically challenged common loon.
The common loon is red-eyed, with distinctive black and white markings and a pointed dagger like beak that is perfect for its long, underwater fishing trips.