Friday the 13th

Yesterday [10/13] I came home to find a message on my answering machine from Starr Saphir, one of Central Park's most accomplished leaders of bird walks. Her voice sounded excited. She said:

I led a walk for the Linnaean Society this morning in the Ramble. We had stopped at the benches on the East side of the Azalea Pond, and were just heading for the Swampy Pin Oak when we saw a Silver-haired Bat! This was a Life Bat for me and for all of us. The bat was in the leaf litter on our left and then flew up to a nearby tree trunk where we all had a chance to observe it.
I think having a bat of any species is very nice on Friday the 13th, and I know a Silver-haired Bat is most unusual for Central Park. Thought you'd want to know.