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An audio recording of a house sparrow. The house sparrow (Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of 16 cm (6.3 in) and a mass of 24–39.5 g (0.85–1.39 oz).
The immune response of Eurasian tree sparrows is less robust than that of the house sparrow and has been proposed as a factor in the greater invasive potential of the latter. [70] The house sparrow and Eurasian tree sparrow are the most frequent victims of roadkill on the roads of Central, Eastern and Southern Europe. [71]
Migration is the regular seasonal movement, often north and south, undertaken by many species of birds. Migration is marked by its annual seasonality and movement between breeding and non-breeding areas. [13] Nonmigratory bird movements include those made in response to environmental changes including in food availability, habitat, or weather.
Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. ... Random House. ISBN ...
The house sparrow is a small bird with a typical length of 16 cm (6.3 in) and a mass of 24–39.5 g (0.85–1.39 oz). Females and young birds are coloured pale brown and grey, and males have brighter black, white, and brown markings.
An Urban Park Ranger with a Eurasian eagle-owl at a NYC Parks public bird event called Raptor Fest. While New York City is commonly associated with pigeons and other common urban birds like house sparrows and European starlings, hundreds of bird species reside in or travel through the city each year. [6]
Companies are racing against the clock this week to notify antitrust agencies about pending deals before a new, more stringent merger filing rule passed during President Joe Biden's administration ...
A flyway is a flight path used by large numbers of birds while migrating between their breeding grounds and their overwintering quarters. Flyways generally span continents and often pass over oceans. Although applying to any species of migrating bird, the concept was first conceived and applied to waterfowl and shore birds.