Science news articles about 'American tree sparrow'

... closely related to (convergent evolution?) American tree sparrow, Spizella arborea, also known as the winter ... identify the species?Response: This is an adult American tree sparrow, Spizella arborea, also known as the winter ...

... to an unrelated species found elsewhere in the world Eurasian tree sparrow, Passer montanus (protonym, Fringilla ... , it is sometimes known as the German sparrow to distinguish it from the unrelated American tree sparrow, photographed in Brereton ...

... , Lapland longspur, white-crowned sparrow, American tree-sparrow and common redpoll are likely to increase in number, according to the assessments. The authors note that the assessments ...