Print

Print


Perhaps a silly question, but are these two species known to hybridize at all - and if so, any possibility you had a hybrid there?

--Miriam Lawrence 


> On May 31, 2019, at 12:11 PM, Thomas Berriman <[log in to unmask]> wrote:
> 
> 
> 
> At the Conte NWR yesterday Matt and I heard a slightly slower/different
> singing vireo than the 'typical' Red-eyed Vireo song heard all summer long.
> We decided it was worth investigating and quickly found a Red eyed at the
> top of a birch tree 125 feet away. While I make great effort not to use play
> back devices (and frown on their overuse)  as an experiment and because I've
> frequently questioned just what is the difference in those 2 species songs,
> I played the Philadelphia Vireo song. I got an immediately response from the
> Red eyed which flew down to within 12 feet to investigate. I guess it wasn't
> much of an experiment now that I think about it but I was curious to see if
> a Red eyed responded to the Philadelphia song, it did...but now that just
> opened a whole new set of questions for me. Anyway I am always thinking and
> looking for yellow/yellowish throat area with Philadelphia Vireo.I don't see
> one every year..I just looked at my 'sketchy' past records of that species
> with few if any comments. Over 12 years, September being the month I
> reported seeing one and with two reports in the last week of May. 
> 
> 
> 
> 
> 
> The only thing necessary for the triumph of evil is for good men to do
> nothing.
> 
> 
> 
> Tom Berriman 
> 
> 802-626-9071
> 
> 
> 
> <https://www.flickr.com/photos/blackpoll1/>
> https://www.flickr.com/photos/blackpoll1/ 
> 
> 
> 
>