Re: [cayugabirds-l] Red-headed Wo caching food

2013-08-24 Thread martin borko
Is there any chance that the fruits are virginia creeper and not wild grape?

Marty

On Aug 22, 2013, at 10:48 AM, John Confer wrote:

 I have seen Red-headed Woodpeckers caching acorns. At at least one location, 
 they cached food somewhat as I have seen in videos of Acorn Woodpeckers, 
 putting them in shallow, tiny holes in the surface of the tree trunk. This 
 was at Presquille in fall probably a couple decades ago. so you might wonder 
 about the accuracy of the memory. It was a pretty striking occasion with 
 several birds flying over a parking lot to and from the acorn source to the 
 storage trees, so I'm pretty sure that is what they were doing.
 
 Cheers,
 
 John
 
 On 8/20/2013 7:06 PM, Anne Clark wrote:
 Back in the 80's when I was living in SW Michigan (near Kellogg Biological 
 Station, in Delton, MI), a pair of red-headed woodpeckers brought their 
 fledglings every year to eat mulberries at a productive group of trees. 
 
 More unusual that they would take them to protein-needy nestlings (albeit 
 very late nestlings).  But robins in the same Michigan property fed their 
 nestlings on mulberries.  
 
 Anne Clark
 
 On Aug 20, 2013, at 6:51 PM, Paul wrote:
 
 Spent about three hours watching the Red-headed Woodpeckers at May’s Point 
 this morning. Very active until about 10 am.  Saw an interesting sequence 
 when a Merlin made a pass at the nest cavity,, actually several passes to 
 which the adult RHW responded with loud calls and some defensive attacks.  
 Thereafter, the pair were on sentry duty, one in an adjacent cavity 
 watching south and the other to the north in a tree along the river.  The 
 Merlin was in the area for about 5 minutes. They stayed on alert for about 
 20 minutes longer before resuming activity.
  
 More interesting was a discovery on what they are bringing into the nest 
 cavity.  (Have not yet seen chicks at the opening. Has anyone?) While 
 sometimes, I can see that they are bringing insects such as dragonflies, at 
 other times it appeared to be round objects.  Did not seem possible to be 
 acorns.  Now, I’ve posted some images on my blog  
 (http://birds-n-blooms.blogspot.com/) which show an adult bringing wild 
 grapes to the cavity. There are ripe grapes on the vines in the area. On my 
 first visit (July 24), I recorded an adult picking Woody Nightshade berries 
 from vines at the base of dead trees to the north east of the nest tree. 
 Had not expected woodpeckers to be eating fruit.
  
 Paul Schmitt
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Re: [cayugabirds-l] Red-headed Wo caching food

2013-08-22 Thread John Confer
I have seen Red-headed Woodpeckers caching acorns. At at least one 
location, they cached food somewhat as I have seen in videos of Acorn 
Woodpeckers, putting them in shallow, tiny holes in the surface of the 
tree trunk. This was at Presquille in fall probably a couple decades 
ago. so you might wonder about the accuracy of the memory. It was a 
pretty striking occasion with several birds flying over a parking lot to 
and from the acorn source to the storage trees, so I'm pretty sure that 
is what they were doing.

Cheers,

John

On 8/20/2013 7:06 PM, Anne Clark wrote:
 Back in the 80's when I was living in SW Michigan (near Kellogg 
 Biological Station, in Delton, MI), a pair of red-headed woodpeckers 
 brought their fledglings every year to eat mulberries at a productive 
 group of trees.

 More unusual that they would take them to protein-needy nestlings 
 (albeit very late nestlings).  But robins in the same Michigan 
 property fed their nestlings on mulberries.

 Anne Clark

 On Aug 20, 2013, at 6:51 PM, Paul wrote:

 Spent about three hours watching the Red-headed Woodpeckers at May’s 
 Point this morning. Very active until about 10 am.  Saw an 
 interesting sequence when a Merlin made a pass at the nest cavity,, 
 actually several passes to which the adult RHW responded with loud 
 calls and some defensive attacks.  Thereafter, the pair were on 
 sentry duty, one in an adjacent cavity watching south and the other 
 to the north in a tree along the river.  The Merlin was in the area 
 for about 5 minutes. They stayed on alert for about 20 minutes longer 
 before resuming activity.
 More interesting was a discovery on what they are bringing into the 
 nest cavity.  (Have not yet seen chicks at the opening. Has anyone?) 
 While sometimes, I can see that they are bringing insects such as 
 dragonflies, at other times it appeared to be round objects.  Did not 
 seem possible to be acorns.  Now, I’ve posted some images on my blog  
 (http://birds-n-blooms.blogspot.com/) which show an adult bringing 
 wild grapes to the cavity. There are ripe grapes on the vines in the 
 area. On my first visit (July 24), I recorded an adult picking Woody 
 Nightshade berries from vines at the base of dead trees to the north 
 east of the nest tree. Had not expected woodpeckers to be eating fruit.
 Paul Schmitt
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