Yes, it's true -- female wood-warblers sing.
The question (see quiz on right side) is which females are so talented to memorize and learn their song (ala the males that MUST have a singing mentor from which they hear, learn, and memorize a vocalization).
In general, wood-warblers are like most other songbirds. They experience a period of practicing a song in a stage that is called "plasticity."
Depending on the species of wood-warbler, true, definitive adult song is achieved by no later than the commencement of the following breeding season after a newborn singer arrives in a previous year's brood.
When that moment of virtuosity appears, it's called "crystalization."
Now there's a magnificent term that rings a chord of delight in any birder's heart.
(I still haven't revealed who the female singing species of wood-warblers are on the landscape. If you wish to know before the quiz deadline occurs, please feel free to email me:
edelstein@earthlink.net)
2 comments:
Why would females sing? Advantage?
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