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Text 35 Article in Journal/Newspaper 24 Dataset 18 Report 15 Audio 10 Still Image 4 Thesis 3 Other/Unknown Material 2 Conference Object 1 Moving Image (Video) 1 Other Non-Article Part of Journal/Newspaper 1 see all ...

Iowa Ornithologists' Unionet al 17 Rosene, Walter M., Sr., 1880-1941et al 17 Sanderson, Glen C. 10 Colver, Kevin 8 Bellrose, Frank C. 7 Crompton, Robert 7 Van Toor, Mariëlle L. 6 Waldenström, Jonas 6 Alexander Prichard 3 Chastel, Olivier 3 Fritz, Hervé 3 Guillon, Noël 3 Kutkienė, Liuda 3 Latorre-Margalef, Neus 3 Matthes, Doris 3 Ottosson, Ulf 3 Poisbleau, Maud 3 Prakas, Petras 3 Robert Day 3 Schmidt, Andreas 3 Sruoga, Aniolas 3 Van Der Meer, Tim 3 Van Hoorn, Sita 3 Wikelski, Martin 3 Buchanan, John Young 2 Butkauskas, Dalius 2 Colver, Kevin J. 2 Finley, William L. (William Lovell), 1876-1953 2 Grimes, Samuel A. 2 Hebert, C.E. (Craig) 2 see all ...

Mallard 43 mallard 26 Anas platyrhynchos 23 Canada Goose 18 Canada goose 17 Anas acuta 13 Coot 13 Bird watching 11 Gadwall 11 Pintail 11 Ambient sounds 10 Black duck 10 Blue-winged teal 10 Lesser scaup 10 Nature sounds 10 Places 10 Aerial waterfowl censuses 9 American wigeon 9 Bald eagle 9 Canvasback 9 Common goldeneye 9 Redhead 9 Ring-necked duck 9 Avian population monitoring 8 Ruddy duck 8 Hooded merganser 7 Lesser snow goose 7 Trumpeter Swan 7 American green-winged teal 6 American merganser 6 see all ...

Iowa State University Library Digital Collections 19 DataCite Metadata Store (German National Library of Science and Technology) 15 The University of Utah: J. Willard Marriott Digital Library 10 University of Illinois at Urbana-Champaign: IDEALS (Illinois Digital Environment for Access to Learning and Scholarship) 10 Directory of Open Access Journals: DOAJ Articles 5 Unknown 4 Gulf of Alaska Data Portal (via DataONE) 3 LSU Digital Commons (Louisiana State University) 3 Oregon Digital (University of Oregon/Oregon State University) 3 Carleton University's Institutional Repository 2 Environmental Data Initiative (via DataONE) 2 Memorial University of Newfoundland: Digital Archives Initiative (DAI) 2 Research Data Australia (Australian National Data Service - ANDS) 2 The Canadian Field-Naturalist (E-Journal) 2 University of Nebraska-Lincoln: DigitalCommons@UNL 2 University of North Texas: UNT Digital Library 2 Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) 1 BioMed Central 1 CDC Stacks (Centers for Disease Control and Prevention) 1 Connecticut College: Digital Commons 1 CyberLeninka (Scientific Electronic Library) 1 DRO - Deakin Research Online 1 Defense Technical Information Center: DTIC Technical Reports database 1 Digital Commons University of South Florida (USF) 1 Digital Repository of Scientific Institutes (RCIN) 1 Kristianstad University College: Publications (DiVA) 1 LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library) 1 LSRC VL (Lithuanian Social Research Centre Virtual Library) 1 Norwegian Institute for Nature Research: Brage NINA 1 PANGAEA - Data Publisher for Earth & Environmental Science 1 see all ...

Canada 45 Sweetwater 8 St. Louis 7 Pacific 6 Dunbar 5 Arctic 4 Fairbanks 3 Fiedler 3 Fulmar 3 Gulf of Alaska 3 New Zealand 3 Baldwin 2 Carlyle Lake 2 Clear Lake 2 Cora 2 Finch 2 Golden Gate 2 Huntington 2 Loch Fyne 2 Olor 2 Phoebe 2 Southern Ocean 2 Wall Lake 2 Webb 2 Woodcock 2 Aldan 1 Antarctic 1 Austin 1 Bratt 1 Breivika 1 see all ...

English 74 unknown 39 Russian 2 German 1 Norwegian Bokmål 1 Polish 1 see all ...

Canada Goose 40 Anas acuta 29 Shoveler 27 Northern Shoveler 23 Anas clypeata 11 Branta canadensis 10 Eremophila alpestris 5 greater scaup 5 Alaska 4 Arctic 4 Arctic tern 3 Barnacle goose 3 Branta leucopsis 3 Common Eider 3 Common Murre 3 Common tern 3 Glaucous Gull 3 Humpback Whale 3 Killer Whale 3 Killer whale 3 Macquarie Island 3 Northern Fulmar 3 Northwest Russia 3 Parasitic Jaeger 3 Pomarine Jaeger 3 Red Phalarope 3 Sperm whale 3 minke whale 3 osprey 3 Antarc* 2 see all ...