Concord, Mass.
1909.
April 4
  A wild, windy day March-like in character yet sunny
& not uncomfortably cool. Wind N.W.
  Out nearly all day with Edwin De Merritt, in 
forenoon to Ball's Hill, in afternoon along Bigelow Road,
to Green Hill and about Northern base of Punkatassett. The
afternoon sights and coloring were wonderful. The cedars &
ground junipers on Green Hill were rich brown olive tinged with
purple, the maples swamps blotches of plum purple, the gray
birch tops fine madder brown. I have seen nothing so utterly
charming before this year as the landscapes about Green Hill.
On its summit we found fresh deer droppings and started
2 Partridges with 2 more along the old road, all giving us 
fair shots. Heard the first Hylas (5 or 6) pumping in a
swamp just before sunset.
Delightful tramp in the woods with De Merritt
Early spring coloring
Deer signs
First Hylas
  No marked changes have occurred in the local bird
population for several days. Juncos and Fox Sparrows continue
in undiminished (but not increased) numbers. Song Sparrows
are common everywhere but not nearly so numerous as usual.
There has been no real "rush" of them yet. Robins, too, are
comparatively scarce but there were more today than for
a week past. I heard two in full song at sunset.
Movement of migratory birds
  Mr. Hutchins built a dam across Bigelow Brook at north east
base of Punkatassett Hill last autumn forming a pretty
pond of about six or eight acres with open pasture lands on two
sides & woods or lines of trees on the other two. There were
no birds there to-day but Ducks, Herons, Kingfishers &
Sandpipers are likely to find attraction there 'ere long.
Found two Gypsy moths' nests on Green Hill.
New pond made on Bigelow Brook
Gypsy Moths