scrape nest造句
例句與造句
- The technique used to construct a scrape nest varies slightly depending on the species.
- Many female ducks, particularly in the northern latitudes, line their shallow scrape nests with down feathers plucked from their own breasts, as well as with small amounts of vegetation.
- There is an extended breeding season with clutches of half a dozen or more eggs being laid in a shallow scraped nest lined with grasses on the ground, often concealed in a grass tussock or shrubby bush.
- In cool climates ( such as in the high Arctic or at high elevations ), the depth of a scrape nest can be critical to both the survival of developing eggs and the fitness of the parent bird incubating them.
- The eggs of most ground-nesting birds ( including those that use scrape nests ) are cryptically coloured to help camouflage them when the adult is not covering them; the actual colour generally corresponds to the substrate on which they are laid.
- It's difficult to find scrape nest in a sentence. 用scrape nest造句挺難的
- Eggs and young in scrape nests, and the adults that brood them, are more exposed to predators and the elements than those in more sheltered nests; they are on the ground and typically in the open, with little to hide them.
- Studies have shown that an egg within a scrape nest loses heat 9 % more slowly than an egg placed on the ground beside the nest; in such a nest lined with natural vegetation, heat loss is reduced by an additional 25 %.