I also offer both, but I've noticed the jays seem to prefer the ones
in the shell. I've assumed those nuts may retain freshness better than
the ones out of the shell, which are exposed to the elements, even
though the latter are "easier pickin's". On the other hand, the latter
are in a container much smaller and harder for a jay to perch upon
than the other feeder, so the motivating factor is hard to discern.
On Wed, Mar 2, 2011 at 6:58 PM, Alan Stankevitz <firstname.lastname@example.org> wrote:
> Betsy and the group...
> I don't have an answer for you, but I do have another observation. I also
> study the 8-10 blue jays that visit my feeders every morning. I also have a
> routine...every morning I put a "cornucopia" of peanuts (shelled and
> in-the-shell), seeds, etc. on a feeding tray. Almost all of the blue jays
> except one or two will take the in-the-shell peanuts first before taking the
> shelled nuts (2 nuts vs 6 or more). The "smart" jays can hoard many more
> nuts by taking the shelled nuts first. Only a few do this and the stats seem
> to stay the same.
> So it appears that the others haven't figured out that they can stash many
> more nuts by taking the shelled nuts first. It will be interesting to
> monitor them over coming years to see if they eventually learn. It does seem
> quite plausible though that over time they can learn from watching other
> Fun to watch no matter what the case!
> Join or Leave mou-net: http://lists.umn.edu/cgi-bin/wa?SUBED1=mou-net
> Archives: http://lists.umn.edu/archives/mou-net.html
Join or Leave mou-net: http://lists.umn.edu/cgi-bin/wa?SUBED1=mou-net