House Sparrow decline has been well-studied in England and India, and seems to be patchy, but world-wide. Here is a way to find relevant articles on the web:
type in key words: *house sparrow population decline* eBird is a great data base for studying this, in the US and all over, so don't do what I used to do and put "x" in the number box for those charming Weavers, put a number. Joe Roller, Denver On Mon, Apr 9, 2018 at 11:48 AM, 'Hugh Kingery' via Colorado Birds < cobirds@googlegroups.com> wrote: > Denver Audubon just received a call from a woman in Lafayette with a > unique subject: where have the House Sparrows gone? > > She says she used to have as many as 80, but now she sees only a pair or > two, sproadically. They check out her yard and continue on somewhere else. > Have any of you experienced a diminishing numbers of House Sparrows? > > > Hugh Kingery > > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to cobirds+unsubscr...@googlegroups.com. > To post to this group, send email to cobirds@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/cobirds/162ab861dc0-179e-141ed%40webjas-vab073.srv.aolmail.net > <https://groups.google.com/d/msgid/cobirds/162ab861dc0-179e-141ed%40webjas-vab073.srv.aolmail.net?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to cobirds+unsubscr...@googlegroups.com. To post to this group, send email to cobirds@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/CAJpZcUAMyX_HyRy_m7D9SxfSSre0JR1XE%3D6OezSK73BkJQyGTQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
