For the Birds column: What is that bird trillling?

Photo by Chris Bosak A Pine Warbler sits on a deck railing in New England this fall.

Photo by Chris Bosak
A Pine Warbler sits on a deck railing in New England this fall.

Here is the latest For the Birds column, which runs weekly in several New England newspapers.

The birds are moving through, that’s for sure.

Mornings in New England are now filled with the songs of so many birds it’s hard to separate the voices. Throw in a mockingbird imitating the songs of several birds, and the confusion ratchets up a level.

A tufted titmouse (peter, peter, peter) broke the morning silence one morning this week for me; a robin (cheery up, cheery oh, cheery up) the next morning. I love mornings filled with birdsong.

Have you heard a bird trilling recently? A long series of quick, high-pitched notes often rings out throughout New England during the spring. But what is that triller?

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