[nfc-l] Questions about black-throated blue warbler night migration

Hi everyone- I’m a lurker on this list as I don’t do a whole lot of night flight call listening and recording. However, I’m working on a painting of a black-throated blue warbler at dusk during the autumn night migration, as part of a group art show next year. I have a couple of questions

[nfc-l] Questions about black-throated blue warbler night migration

Hi everyone- I’m a lurker on this list as I don’t do a whole lot of night flight call listening and recording. However, I’m working on a painting of a black-throated blue warbler at dusk during the autumn night migration, as part of a group art show next year. I have a couple of questions