Concord (Farm)
Ther [Thermometer] Saturday, Sept. 16, 1916 [September 16, 1916] Wea [Weather] Fair
Warblers mig. [migrating] at 10 P.M.
  Partly cloudy, mostly sunny. Cool northerly
wind but very warm where it did not reach.
  Only a very few birds. In Birch Field
4 Black-polls [Blackpoll Warbler], a Bay breast [Bay-breasted Warbler] (juv. [juvenile] [male] showing a 
little chestnut on flanks) and an Oven bird [Ovenbird]
(heavily streaked beneath) together in one place
among gray birches, 3 D. virens [Dendroica virens] in another,
a Brown Creeper, a Canada Nuthatch, Purple
Finch (hd) [heard], Cedar bird [Cedar waxwing] (hd [heard]), Partridge (flushed).
In Cedar Park several Warblers heard
chirping (like Black-polls [Blackpoll Warbler]) and a juv. [juvenile] [male]
Redstart (larger than female with more & richer
yellow) seen. Noisy Jays seen or
heard in very many places, some
engaged in breaking off & dropping acorns
in large white oak near Bungalow.
  Close about house noted only a Swift
flying low north at 8 A.M., a tailless young
Cat bird [Catbird], and a [female] White bel. Nuthatch [White-breasted Nuthatch] which
at 2 P.M. entered woodpecker hole in elm by our
wood shed remaining therin [therein] several minutes.
  Walked to Birch Field with Henry [Henry Wetherbee Henshaw] at 9 A.M.
& again at 4 P.M. Spent most of day
working near house, transplanting Zinnia,
mulching strawberry (fall bearing) plants with
pine needles etc. Men picking apples.
  Flushed a Partridge at noon from lilacs
at rear of house within 8 ft. [feet] of it.

Concord (Farm & Ball's Hill)
Ther [Thermometer] Sunday, Sept. 17, 1916 [September 17, 1916] Wea [Weather]
Perfect
  Cloudless with light, cool easterly to southerly
breeze. Deliciously warm (an autumnal,
rather than summer-like, warmth) through 
most of day but almost frostily cold last night.
  Rather many birds so widely scattered that
not many could be found in any one place.
A young [male] Cape May Warbler with entire under
parts dull yellow obscurely streaked with dusky
in very same cluster of pitch pines in Birch Field
where [female] was seen on 13th [September 13, 1916]. This bird similarly
tame & sluggish. 4 Yellow rumps [Yellow-rumped Warbler] with it & a 
dozen or more others noted elsewhere. Only 1
Black-poll [Blackpoll Warbler]. 2 D. virens [Dendroica virens] 4 Canada Nuthatches, 3
of them together cacheing pine seeds on Pine Hill,
Towhee, 2 Cat birds [Catbird], 4 Chippies [Chipping Sparrow], several
White-throats [White-throated Sparrow] & a Red-eye [Red-eyed Vireo] in thickets bordering
dooryard at Farm. Silent Phoebe in locust
front of house 8 A.M., another in full, continuous
song in Howe's Meadow at noon.
Fish Hawk flying due south at sunset [?]
very high in air it looked no bigger than Swallows.
Jays everywhere, screaming incessantly. Counted
37 Green Frogs in pond in door yard.
  Henry [Henry Wetherbee Henshaw] & I walked to Ball's Hill via Davis Hill
& back via Holden Hill, 9-12 A.M.
Automobile party picking wild grapes
in Berry Pas.[Berry Pasture] in P.M. Gave them peaches & strawberries
Sted Buttrick [Stedman Buttrick] & F. [?] called at 5 P.M.
staying about an hour.