Dendroica: a great tool for learning birdsong
Every spring I review my birdsong recognition skills in time to run my route for the annual Breeding Bird Survey sometime around the…
Read MoreEvery spring I review my birdsong recognition skills in time to run my route for the annual Breeding Bird Survey sometime around the…
Read MoreOpening the back door this morning, I heard a rose-breasted grosbeak squeak at me from the neighbour’s tree. He sat long enough for…
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