Search for tag: "marsh warbler"

Auth 0511 David Spector and Sylvia Halkin part 2 duration 29 minutes 7 seconds Auth 0511 David Spector and Sylvia Halkin part 2 Auth 0511 David Spector and Sylvia Halkin part 2	Auth 0511 David Spector and Sylvia Halkin part 2 education and upbringing vertebrates woodpeckers schools university & college new england research birdwatching massachusetts animal ornithology marsh warbler books literature sylviidae birds nature From Ryan Wark 15 plays 0
Auth 0510 David Spector and Sylvia Halkin pt 1 duration 28 minutes 56 seconds Auth 0510 David Spector and Sylvia Halkin pt 1 Auth 0510 David Spector and Sylvia Halkin pt 1	Auth 0510 David Spector and Sylvia Halkin pt 1 ornithology birdwatching woodpeckers music sylviidae birds mockingbird vertebrates research singing and singers small birds passerine birds cardinal marsh warbler animal From Ryan Wark 33 plays 0