Re: [nysbirds-l] Another Long Island Purple Gallinule (not chaseable)

2018-02-12 Thread Kevin J. McGowan
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

Re: [nysbirds-l] Another Long Island Purple Gallinule (not chaseable)

2018-02-12 Thread Kevin J. McGowan
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

Re: [nysbirds-l] Another Long Island Purple Gallinule (not chaseable)

2018-02-12 Thread Doug Gochfeld
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

Re: [nysbirds-l] Another Long Island Purple Gallinule (not chaseable)

2018-02-12 Thread Doug Gochfeld
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

RE:[nysbirds-l] Another Long Island Purple Gallinule (not chaseable)

2018-02-12 Thread Shaibal Mitra
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

RE:[nysbirds-l] Another Long Island Purple Gallinule (not chaseable)

2018-02-12 Thread Shaibal Mitra
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