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Hi Paul, I can't speak specifically about the 'Mount' roost but all the crow roosts I'm familiar with involve extensive pre-roosting movement and temporary gathering points. Sometimes these pre-roosting movements go off in many directions so it is possible that this is what happened in this case. If so, the crows would indeed double back. Having said this, there are a number of reasons the main roost might fragment. Predation, disturbance, weather and the advance towards spring are all reasons that come to mind. All the best, Lance Lance Laviolette Glen Robertson, Ontario -----Original Message----- From: naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] On Behalf Of Paul Ruggles Sent: Wednesday, February 08, 2017 2:59 PM To: naturens@chebucto.ns.ca Subject: EXTERNAL: [NatureNS] murder of crows Does any one know if there is another "murder of crows" close to the Mount - perhaps around the Kearny Lake area? We see them fly by our condo each evening along the Bedford Hwy, but some of them appear to head off towards Kearny Lake. - Perhaps to circle back and approach the Mount from the west? Thanks. Paul.
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