If you visit, you'll find a modest old frame house and barn, perennial gardens, and bluebirds and tree swallows skimming over meadows against a breathtaking view of Mount Hood.
32.
The high points of my visit to Winterthur included seeing a pair of foxes racing across an open field and a determined bluebird chasing a tree swallow away from its nest.
33.
Brood parasitism is quite common both with other common goldeneyes as well as with other duck species, and even tree swallow and European starling eggs have been found mixed with goldeneye eggs.
34.
After the brawl I walked on the beach and saw hundreds of tree swallows flying west along the edge of Long Island Sound, a migration no less impressive than that of broad-winged hawks.
35.
The wax coating on the fruit is indigestible for most birds, but a few species have adapted to be able to eat it, notably the yellow-rumped warbler and tree swallow in North America.
36.
But given the fact that hundreds of thousands of larvae can hatch after the flood tides accompanying new moons and full moons, hopes are dim that a dozen tree swallows could make a dent.
37.
And most disturbing to environmental scientists is a federal Fish and Wildlife Service study that shows levels of PCBs in tree swallows along the river higher than any measured in any other birds so far.
38.
The groups are the " core martins " including burrowing species like the sand martin, the " nest-adopters ", with birds like the tree swallow which utilise natural cavities, and the " mud nest builders ".
39.
The New York City Audubon Society, too, is experimenting with a natural means of controlling the mosquito population, erecting a dozen tree swallow houses last fall . ( Tree swallows are also fond of mosquitoes .)
40.
The New York City Audubon Society, too, is experimenting with a natural means of controlling the mosquito population, erecting a dozen tree swallow houses last fall . ( Tree swallows are also fond of mosquitoes .)
