nuptial plumage वाक्य
उदाहरण वाक्य
मोबाइल
- They moult again into nuptial plumage in winter or spring.
- From a distance, the drakes in nuptial plumage appear grey, with a dark head, a yellowish behind, and a white stripe running along the flanks.
- The mallard lineages cannot be reliably separated by behavior, but only by biogeography, and it is only the Pacific radiation in which there are species with a distinct male nuptial plumage.
- Many ducks and some other species such as the red junglefowl have males wearing a bright nuptial plumage while breeding and a drab "'eclipse plumage "'for some months afterwards.
- Only the former had a distinct speculum ) and the tail was also like in mallard drakes'nuptial plumage, including curled-up central tail feathers, but the tips of the speculum feathers were buff.
- In some fairy-wrens such as the red-backed, males pick flower petals in colors contrasting with their bright nuptial plumage and present them to others of their species that will acknowledge, inspect and sometimes manipulate the petals.
- Both hypotheses seem rather spurious initially, with the green-winged teal and common teal's male nuptial plumage being unique and very complex, and the tendency to gain, not lose, strong sexual dimorphism overwhelming in the dabbling ducks.
- This has a patchy or spotty appearance, with a mixture of blue and grey feathers on the head, and black and grey on the breast; birds born early in the breeding season will gain more nuptial plumage initially than those born late.
- Males in nuptial plumage are distinguished from green-winged teals by the horizontal white scapular stripe, the lack of a vertical white bar at the breast sides, and the quite conspicuous light outlines of the face patch, which are indistinct in the green-winged teal drake.
- Although mainly found in the Anatidae, a few other species, including related red junglefowl, most red-backed and white-winged fairywrens, males do not acquire nuptial plumage until four years of age well after they become sexually mature and indeed longer than the vast majority of individuals live.
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