Change Region
Change Region
Tern Island Sanctuary (Mass Audubon)
Illustrated Checklist
Powered by Macaulay Library and eBirdUpdated ~18 seconds ago
Custom Time Period
Change Time Period
Jump to species
View all media
Native and Naturalized (145)
Hybrids (1)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Brian Harrington on 8 Sep 2016
Additional Taxa (17)
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Glenn d'Entremont on 19 Aug 2017
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Jan Brandin on 27 Aug 2018
- Cory's/Great Shearwater Calonectris diomedea/Ardenna gravisLast observed by Joel Wagner on 8 Sep 2018