94 THE Witson BuLLETIN—NO, To. 
“a pair of eagles has nested there for many years.” One or two 
birds were seen nearly every day, and they were still there when 
we left the island, (October 11). These birds fed on fish, which 
were abundant on the shores of the island. On one occasion the 
writer saw an adult bird drop into the water and rise with a good 
sized fish in its talons, and at other times it was seen perched on 
the big boulders on the east point, where it seemed to be watching 
for fish. Generally, however, the birds were to be seen perched 
on the tall dead trees along the shore, or soaring about over the 
water. 
53. (356a) Falco peregrinus anatwn. Duck Hawk.—This rare 
and beautiful hawk was first seen on September 20. On this date, 
as the writer was walking along the east beach, a dark-colored 
young bird flew past over the water. <A long shot failed to bring 
it down, but it was wounded and was later found in the top of 
an oak on the sand dunes. On September 22, another dark-colored 
bird was seen early in the morning, chasing a flock of sanderling 
at the end of Light-House Point. When it captured a bird it 
carried it away to a dead cedar tree near the beach and ate it. 
This hawk was not seen again, and no more came to the island 
until September 80, when a large bright-plumaged bird was seen 
but not secured. On October 3, another dark-colored bird was seen 
on the rocks at the water’s edge. This bird Hew along the beach 
and lit on a dead tree on the first sand dune. It was also an 
immature bird, and on October 5 still another dark-colored bird 
was observed but not secured. The island seemed to be only a 
stopping place for this species, which probably does not find much 
food there, and no ducks at all at this season of the year. The 
keepers said that it was more common during the spring migration. 
54. (857) Falco columbarius columbarius. Pigeon Hawk.—On 
August 30, a hawk of this species was seen on the dead tree where 
the duck hawk was secured. This bird was eating a small bird. 
On September 6, another one was observed chasing thrushes, 
which seemed to be the principal food of the species and which 
came to the island on the night of September 4-5 in great numbers. 
The writer’s experience with this falcon at Isle Royale, Charity 
Island, and elsewhere, seems to show that it migrates at the same 
time as, and no doubt follows, the thrush migration. Wight or 
ten of these falcons were seen on the island by the writer, and 
whenever one appeared it was usually seen flying along the 
beaches, where they sometimes perched on rocks at the water's 
edge, or on old dead stubs or trees. One was seen chasing a 
flicker, but the latter with a frightened cry dodged through a tree 
and escaped. This falcon is even more bold and fearless than the 
