Traducción de cowbird en Español:

cowbird

tordo negro, n.

Pronunciación /ˈkaʊbərd//ˈkaʊbəːd/

nombre

  • 1

    tordo negro masculino
    • Estimating the cost of accepting a cowbird egg was done by experimentally placing newly hatched cowbird chicks into catbird nests.
    • Blackbirds, cowbirds, and mockingbirds are common companions throughout most of the year.
    • We observed live female cowbirds at sparrow nests on 12 occasions; 11 of these were laying bouts.
    • Rothstein said that since most songbirds only sing, he suspects the cowbirds learned to sing before they started to dance.
    • The probability of parasitism may vary among hosts because differences in their behaviors assist cowbirds in locating nests.
    • Incubation time is short, 10 to 12 days, which allows the young cowbird to get a head start in the nest.
    • In Missouri, sparrows and cowbirds arrived at nests at 13.5 and 14.7 min before sunrise, respectively.
    • While female cowbirds don't sing, male cowbirds belt out a small repertory of songs, each one less than a second long.
    • Cuckoos and cowbirds lay eggs in nests of different species to avoid the costs of brood care.
    • Since 1972, decoy traps baited with seeds and live cowbirds have been set out across the warbler's breeding grounds.
    • Open land provides habitat for cowbirds and nest predators.
    • The only characteristic that separated parasitic cowbirds from their nonparasitic relatives was an increase in eggshell thickness.
    • Studies have revealed that as many as 90 percent of the vireo nests in Texas and Oklahoma have been invaded by cowbirds.
    • Instead of our winter visitors that left us for more northern areas, we now have grackles, red-wings and cowbirds.
    • Cowbird visits usually occurred after the host left the nest, suggesting that cowbirds monitored nests closely.
    • This fracturing allows birds of the forest edge, such as cowbirds and blue jays, to parasitize and prey upon the thrushes.
    • In British Columbia, nearly 25% of Veery nests found had been parasitized by cowbirds.
    • Warbling Vireo nests that are parasitized by cowbirds typically produce no vireo young.
    • Our findings suggest that cowbirds are relatively long lived and that recruitment into the breeding population is low.
    • Chaffinches and cowbirds are not the only birds that teach song to their young.