In addition to the data, Faucett said the museum has tree swallow eggs dating back as far as 1885.
From the thenewstribune.com
Its cousin, the tree swallow, is following the same pattern.
From the charlotteobserver.com
One example is the tree swallow, which Harper spotted Monday.
From the sacbee.com
Barn swallows, Northern rough-winged swallows and a lone tree swallow skimmed over the water's surface at the main pond.
From the charlotteobserver.com
A tree swallow prepares for takeoff.
From the sacbee.com
The rough-winged and cliff are fairly common, while the tree swallow is restricted to northern and western Mecklenburg County.
From the charlotteobserver.com
Experiments conducted on the tree swallow, which does not use yarrow, suggest that adding yarrow to nests inhibits the growth of parasites.
From the en.wikipedia.org
In 1997, for example, 72 percent of the Eastern bluebird and tree swallow nests under observation produced young birds that matured and left the nest.
From the sciencedaily.com
Among them were the osprey, common goldeneye, double-crested cormorant, Anna's hummingbird, green heron, great blue heron, ruby-crowned kinglet, tree swallow and more.