male house sparrow
The house sparrow - also known as the sparrow or house sparrow - is a species of bird from the sparrow family and one of the best known and most widespread songbirds. The sparrow joined the human race as a cultural successor over 10,000 years ago. After numerous deliberate or accidental naturalisations, it can be found almost everywhere where humans spend the whole year, with the exception of the tropics and a few other areas. The worldwide population is estimated at about 500 million individuals. After significant population declines in the second half of the 20th century, particularly in western central Europe, the species has been added to the early warning list of threatened species in some regions.