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.

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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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