Saturday, 24 November 2018

[Maine-birds] How did they learn about us

We are new to this bb and are grateful for what we have learned so far.  For a couple of years we've had a "squirrel-proof" Audubon with black oil seeds and we've had a few titmouse, chickadee, nuthatch, and goldfinch.  This year we nailed a shallow wooden box on the end of an 8' 2"x3', set in the ground with concrete and surrounded by a 4" PVC pipe.  Immediately the population jumped and we've all of the usual plus a flock of Juncos.  But at the end of the first week of feeding a group of Evening Grosbeaks (at least 8) appeared.  How did they find us?  We are in town in Bucksport and the feeder is sheltered by our house and by cedars.  We've also had white throat, chipping, and fox sparrows - maybe a pair of vespers, just before the snow fell.  Does information move between species?  Do flight patterns or songs transmit information?

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