311-3714...@list.cornell.edu> on behalf of Doug Gochfeld
<fresha2...@gmail.com>
Sent: Monday, February 12, 2018 6:56 PM
To: Shaibal Mitra
Cc: NYSBIRDS-L
Subject: Re: [nysbirds-l] Another Long Island Purple Gallinule (not chaseable)
There's an interesting paper dealing with just this
of Doug Gochfeld
Sent: Monday, February 12, 2018 6:56 PM
To: Shaibal Mitra
Cc: NYSBIRDS-L
Subject: Re: [nysbirds-l] Another Long Island Purple Gallinule (not chaseable)
There's an interesting paper dealing with just this effect here:
https://www.researchgate.net/publication
There's an interesting paper dealing with just this effect here:
https://www.researchgate.net/publication/289706654_Warmer_Summers_and_Drier_Winters_Correlate_with_More_Winter_Vagrant_Purple_Gallinules_Porphyrio_martinicus_in_the_North_Atlantic_Region
Good Birding and Vagrant Speculating!
-Doug
There's an interesting paper dealing with just this effect here:
https://www.researchgate.net/publication/289706654_Warmer_Summers_and_Drier_Winters_Correlate_with_More_Winter_Vagrant_Purple_Gallinules_Porphyrio_martinicus_in_the_North_Atlantic_Region
Good Birding and Vagrant Speculating!
-Doug
Wow, this is really amazing. The tight date range really looks like a discrete
flight of some sort. If these were Summer Tanagers hitting those sites in mid
April, we'd call it a slingshot. Is there any reason to think that southern
populations of Purple Gallinule are undertaking long distance
Wow, this is really amazing. The tight date range really looks like a discrete
flight of some sort. If these were Summer Tanagers hitting those sites in mid
April, we'd call it a slingshot. Is there any reason to think that southern
populations of Purple Gallinule are undertaking long distance