One of Britain's best-known birds may be declining because its chicks have too little to eat.
Too few insects in summer means young house sparrows in towns and cities are starving in their nests especially when parent birds are trying to raise important second and third broods.
Increased development, the popularity of ornamental plants like Leylandii, the removal of trees and the conversion of front gardens for parking may explain the loss of insects in urban areas, new research suggests.
Lees meer: The RSPB
Too few insects in summer means young house sparrows in towns and cities are starving in their nests especially when parent birds are trying to raise important second and third broods.
Increased development, the popularity of ornamental plants like Leylandii, the removal of trees and the conversion of front gardens for parking may explain the loss of insects in urban areas, new research suggests.
Lees meer: The RSPB
Geen opmerkingen:
Een reactie posten