[Concord, Massachusetts]
1912.
May 17
(No 3)
[May 17, 1912]

Prothonotary Warbler.

to a bird stub and closely inspected several crannies and two 
discolored dark spots that looked like holes, as if he was in search 
of a nesting place. Gilbert came out and disturbed him a little 
later when he flew up the hillside and flitted around in the tops
of some oaks only singing a few times. We followed but lost him 
on the crest of the hill. Fifteen minutes after this I heard his
loud song coming from the flooded thicket of maples, willows
& button bushes across the river opposite Birch Gate. I went there
in a canoe after breakfast (around 7.30) and found him 
still in full song and flitting about among the branches. Presently 
a Wilson's Black-cap attacked and chased him about when he
flew to the line of large maples a little further up the river.
There I saw him creeping about and clinging to their trunks 
just above the water. Dexter & I looked for him there &
elsewhere along the river but in vain from 1 to 2 pm.
I tried again just before sunset but without avail.