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Videos
Schwalbe Videos ❘ Science Photo Library
12589751 - Bank swallows fly to and from nests
12591725 - Tree swallow preening
12591722 - Tree swallow on perch
12589755 - Bank swallows fly to and from nests
11933430 - Purple martins gathering on tower
11924796 - Purple martin banding
11937299 - Swallowing mechanism
11926451 - Purple martins pre-migratory roost
11924866 - Purple martins on transmission tower
11924688 - Purple martins on transmission tower
11924788 - Purple martin banding
12589752 - Bank swallows fly to and from nests
11933432 - Purple martins gathering on tower
11924867 - Purple martins on transmission tower
11924693 - Purple martins on transmission tower
11924689 - Purple martins on transmission tower
11924790 - Purple martin banding
11924650 - Purple martins
11924615 - Purple martins pre-migratory roost
12589754 - Bank swallows fly to and from nests
12589753 - Bank swallows fly to and from nests
11933439 - Purple martins gathering on tower
11933431 - Purple martins fly off transmission tower
11933429 - Purple martins fly off transmission tower
11924833 - Purple martins
11924767 - Purple martins pre-migratory roost
11924660 - Purple martins
11924681 - Purple martins on transmission tower
11924946 - Purple martins
11924942 - Purple martins
11924835 - Purple martins
11924799 - Purple martin banding
11924797 - Purple martin banding
12591718 - Tree swallows on perch
11933435 - Purple martins fly off transmission tower
11924950 - Purple martins
11924684 - Purple martins on transmission tower
12497780 - Swallowing a capsule endoscope
11924846 - Purple martins
12591716 - Tree swallow landing on perch
11924834 - Purple martins
11924801 - Purple martin banding
11924785 - Purple martin banding
11924686 - Purple martins on transmission tower
11926450 - Purple martins pre-migratory roost
11924768 - Purple martins pre-migratory roost
11924685 - Purple martins on transmission tower
11933436 - Purple martins gathering on tower
11926434 - Purple martin flying
11926430 - Purple martins
11924792 - Purple martin banding
11924841 - Purple martins
11924831 - Purple martins
11924798 - Purple martin banding
11933437 - Purple martins gathering on tower
11924777 - Purple martins pre-migratory roost
11933434 - Purple martins fly off transmission tower
11924652 - Purple martins
11933433 - Purple martins fly off transmission tower
11924664 - Purple martins
11924636 - Purple martins pre-migratory roost
11924695 - Purple martins on transmission tower
11933438 - Purple martins gathering on tower
11924869 - Purple martins on transmission tower
11924691 - Purple martins on transmission tower
11924676 - Purple martins on transmission tower
11927268 - Normal feather and owl feather
11924830 - Purple artins
11924675 - Purple martins on transmission tower
11924642 - Purple martins pre-migratory roost
11924842 - Purple martins
11924634 - Purple martins flying
11924631 - Purple martins pre-migratory roost
12364039 - Swallowing
12363767 - Antacid tablet effects
12363777 - The digestive process Part 1 of 3
12363983 - Esophagus 3
12363830 - Swallowing 1
12363978 - Esophagus 5
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