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Definition of underwing in English: underwingnounˈʌndəwɪŋˈəndərˌwɪŋ 1The hindwing of an insect, especially when it is normally hidden by a forewing. Example sentencesExamples - The butterflies have tiger striped underwings and little black tails on their back wings.
- At last they find a huge moth with ‘great underwings of glowing crimson.’
2The underside of a bird's wing. Example sentencesExamples - And each performance ends in a final swoop and a flicker of white underwings at the moment of alighting.
- It is mottled brown overall, with cinnamon underwings.
- But if you chance to see a vulture up close, you will notice that this iridescent black bird's underwings are a satiny gray.
- In flight, they show gray and white underwings, solid gray upperwings, white rumps, and gray tails.
- Their bellies and underwings are white, and their heads and breasts are black.
- The underwings are white with a band of blue-gray.
- Their underwings are a dusky grayish to brownish-white.
- In flight, the long, wedge-shaped tail and prominent white trailing edge of the wing are evident; the underwing usually appears darker than the upperwing.
- Dark-morph birds are very dark brown above and below, with lighter underwings.
- The underwings are two-toned: silvery flight feathers with black wing-linings.
- White underwing linings and some white at the wrist above are visible when the bird flies.
- The underwing is white with a narrow band of gray.
- However, the hawk is larger and stockier, with clean white underwings and distinctive dark wrists and belly.
- Many have paler underparts than upperparts and barred underwing and tail feathers, a patterning that may make them less visible to prey.
- The white underwings are especially distinctive in flight.
- The body coloration is typical of gull plumage from above, but both breeding and non-breeding adults have dark underwings with pale wingtips, which are distinctive in flight.
- They note that white plumage seen on the bird's back doesn't match the pattern of a pileated woodpecker, nor does the absence of black trailing edges on the underwings of the bird in the video.
- A combination of prominent creamy-white eyestripe and rusty-red flanks and underwings makes the redwing unmistakable.
- They are mottled brown with cinnamon underwings that are distinctive in flight.
- All plumages of Red-tailed Hawks have a darkish band on the leading edges of the inner underwings, known as the ‘patagial’ markings.
3usually with modifier A moth with drab forewings and brightly coloured hindwings, typically yellow with a black terminal band. Several genera in the family Noctuidae. See also yellow underwing
Definition of underwing in US English: underwingnounˈəndərˌwɪŋˈəndərˌwiNG 1The hind wing of an insect, especially when it is normally hidden by a forewing. Example sentencesExamples - The butterflies have tiger striped underwings and little black tails on their back wings.
- At last they find a huge moth with ‘great underwings of glowing crimson.’
2The underside of a bird's wing. Example sentencesExamples - The underwing is white with a narrow band of gray.
- In flight, they show gray and white underwings, solid gray upperwings, white rumps, and gray tails.
- The underwings are two-toned: silvery flight feathers with black wing-linings.
- All plumages of Red-tailed Hawks have a darkish band on the leading edges of the inner underwings, known as the ‘patagial’ markings.
- Their underwings are a dusky grayish to brownish-white.
- The body coloration is typical of gull plumage from above, but both breeding and non-breeding adults have dark underwings with pale wingtips, which are distinctive in flight.
- A combination of prominent creamy-white eyestripe and rusty-red flanks and underwings makes the redwing unmistakable.
- Their bellies and underwings are white, and their heads and breasts are black.
- White underwing linings and some white at the wrist above are visible when the bird flies.
- And each performance ends in a final swoop and a flicker of white underwings at the moment of alighting.
- Dark-morph birds are very dark brown above and below, with lighter underwings.
- They are mottled brown with cinnamon underwings that are distinctive in flight.
- The underwings are white with a band of blue-gray.
- In flight, the long, wedge-shaped tail and prominent white trailing edge of the wing are evident; the underwing usually appears darker than the upperwing.
- But if you chance to see a vulture up close, you will notice that this iridescent black bird's underwings are a satiny gray.
- Many have paler underparts than upperparts and barred underwing and tail feathers, a patterning that may make them less visible to prey.
- The white underwings are especially distinctive in flight.
- However, the hawk is larger and stockier, with clean white underwings and distinctive dark wrists and belly.
- They note that white plumage seen on the bird's back doesn't match the pattern of a pileated woodpecker, nor does the absence of black trailing edges on the underwings of the bird in the video.
- It is mottled brown overall, with cinnamon underwings.
3usually with modifier A moth with drab forewings and brightly colored hind wings, typically yellow or red with a black terminal band. Several genera in the family Noctuidae
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