Research and articles in English.
Here you will find articles and research on sparrows,
and related to sparrows, that are written in English.
Blasco-Zumeta, Javier and Heinze, Gerd-Michael (2006)
"419 House Sparrow".
Detailed illustrations of plumage in adult house sparrow male and female, in spring, summer and winter, and of the juvenile male and female.
Kendeigh, SC (1945)
"Resistance to Hunger In Birds"
Published in 1945 in Journal of Wildlife Management it was an experiment with captured house sparrows
that were exposed to hunger in combination with certain temperatures. One would use this information
to estimate the house sparrows need for food during harsh winters.
Summers-Smith, JD (2010)
"File Notes V20"
On all suggested causes of the decline of three species of sparrows
mr J.D. (Denis) Summers-Smith had knowledge of at the time of writing.
The three species being
the (english) House Sparrow (Passer domesticus
the Italian Sparrow (Passer italiae
the Tree Sparrow (Passer montanus