Re: [cobirds] Red Crossbills, Pine Siskins - Pueblo

2018-05-18 Thread David Steingraeber
I'll add my $0.02.  We live just W of Horsetooth Reservoir, in ponderosa pines.  The big snowstorm that hit us exactly one year ago destroyed virtually all the male (pollen) cones just as they were maturing and getting ready to release their pollen, and I suspect that lack of successful pollina

Re: [cobirds] Red Crossbills, Pine Siskins - Pueblo

2018-05-17 Thread Cody Porter
I'll second what Dave said. I talked to folks and/or visited places in WY, CO, UT, and MT last fall and couldn't find any good cone crops -- there really seems to have been a massive failure of cone crops across much of the west. I've been amazed at the extent to which type 2 and 4 have disper

Re: [cobirds] Red Crossbills, Pine Siskins - Pueblo

2018-05-17 Thread DAVID A LEATHERMAN
Leon et al, Cody Porter, crossbill student at U of WY, reported to me last fall he had observed a general failure of essentially all conifer cone crops in the mountains of WY last year. I suspect a similar thing happened in CO since such large phenomena across tree species tend to be regional.