salmon U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service Pacific Salmon, (Oncorhynchus spp.) migration begins in May "Pacific Salmon, (Oncorhynchus spp.)" Pacific salmon (Oncorhynchus spp.). "Pacific Salmon, (Oncorhynchus spp.)" U.S. Fish and Wildlife Service “Pacific Salmon, (Oncorhynchus spp.)” U.S. Fish and Wildlife Service endangered anadromous salmon U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service U.S. Fish & Wildlife salmon life cycle and spawning U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service extinction U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service Pacific salmon (Oncorhynchus spp.). U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service endangered anadromous salmon grotesquely humped backs U.S. Fish and Wildlife Service extinction U.S. Fish and Wildlife Service salmon life cycle and spawning grotesquely humped backs U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service “Pacific Salmon, (Oncorhynchus spp.)” U.S. Fish & Wildlife Pacific salmon Pacific salmon U.S. Fish and Wildlife Service * http://www.fws.gov/species/species_accounts/bio_salm.html endangered anadromous salmon U.S. Fish and Wildlife Service migration begins in May Pacific Salmon, (Oncorhynchus spp.) Pacific salmon U.S. Fish and Wildlife Service Pacific Salmon U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service U.S. Fish and Wildlife Service "Pacific Salmon, (Oncorhynchus spp.)" U.S. Fish and Wildlife Service endangered anadromous salmon U.S. Fish and Wildlife Service Pacific Salmon, (Oncorhynchus spp.)