Ruff

Species recognized by wikipedia AST, wikipedia AF, and Wikidata

Genus recognized by Protists in Singapore

Species recognized by Iran Species List, Tibet Species List, Sulu Sea Species List, Timor Sea Species List, White Sea Species List, United Kingdom Species List, South Atlantic Species List, Afghanistan Species List, Gulf of Bothnia Species List, Indian Ocean Species List, Arctic Ocean Species List, North Pacific Species List, North Atlantic Species List, North Sea Species List, Celtic Sea Species List, Greenland Sea Species List, Irish Sea Species List, Kattegat Species List, Skagerrak Species List, English Channel Species List, Gulf of Finland Species List, Bristol Channel Species List, Black Sea Species List, Adriatic Sea Species List, Sea of Azov Species List, Balearic Sea Species List, Ionian Sea Species List, Ligurian Sea Species List, Tyrrhenian Sea Species List, East Siberian Sea Species List, Kara Sea Species List, Barents Sea Species List, Hudson Bay Species List, Beaufort Sea Species List, Chukchi Sea Species List, Mozambique Channel Species List, Gulf of Aqaba Species List, Red Sea Species List, Gulf of Aden Species List, Persian Gulf Species List, Gulf of Oman Species List, Arabian Sea Species List, Laccadive Sea Species List, Bay of Bengal Species List, Andaman Sea Species List, Great Australian Bight Species List, Inner Seas off the West Coast of Scotland Species, Caribbean Sea Species List, Gulf of Mexico Species List, Bay of Fundy Species List, Gulf of St Lawrence Species List, Labrador Sea Species List, Philippine Sea Species List, Eastern China Sea Species List, Yellow Sea Species List, Seto Inland Sea Species List, Sea of Japan Species List, Bering Sea Species List, Gulf of Alaska Species List, South China Sea Species List, Gulf of Thailand Species List, Singapore Strait Species List, Tasman Sea Species List, The Netherlands Species List, Slovakia Species List, Somalia Species List, South Africa Species List, South Korea Species List, Sri Lanka Species List, Sudan Species List, Swaziland Species List, Sweden Species List, Switzerland Species List, Turkey Species List, Uganda Species List, Ukraine Species List, United Arab Emirates Species List, Delete- old US Species List, Vietnam Species List, Yemen Species List, Zambia Species List, Zimbabwe Species List, Taiwan Species List, Nepal Species List, New Zealand Species List, Niger Species List, Nigeria Species List, Palau Species List, Papua New Guinea Species List, Saudi Arabia Species List, Poland Species List, Portugal Species List, Republic of the Congo, Romania Species List, Senegal Species List, Serbia Species List, Seychelles Species List, Rwanda Species List, Puerto Rico Species List, Mariana Islands Species List, Java Sea Species List, Iraq Species List, Ireland Species List, Israel Species List, Italy Species List, Jordan Species List, Kazakhstan Species List, Kenya Species List, Luxembourg Species List, Malawi Species List, Malaysia Species List, Mali Species List, Mauritania Species List, Kuwait Species List, Kyrgyzstan Species List, Latvia Species List, Lesotho Species List, Libya Species List, Lithuania Species List, Mexico Species List, Mongolia Species List, Morocco Species List, Mozambique Species List, Myanmar Species List, Macedonia Species List, Guam Species List, France Species List, Hungary Species List, Finland Species List, Ethiopia Species List, Estonia Species List, Eritrea Species List, Halmahera Sea Species List, Georgia Species List, Germany Species List, Ghana Species List, Greece Species List, Gulf of Riga Species List, Iceland Species List, Indonesia Species List, Gulf of Guinea Species List, Guinea Bissau Species List, Hong Kong Species List, Belarus Species List, Belgium Species List, Benin Species List, Bermuda Species List, Bosnia and Herzegovina Species List, Botswana Species List, Bulgaria Species List, Burkina Faso Species List, Burundi Species List, Cambodia Species List, Cameroon Species List, Cyprus Species List, Czech Republic Species List, Democratic Republic of the Congo Species List, Croatia Species List, Chad Species List, Coral Sea Species List, Bass Strait Species List, Bay of Biscay Species List, Bailiwick of Jersey Species List, Algeria Species List, Armenia Species List, Austria Species List, Azerbaijan Species List, Bahrain Species List, Aegean Sea Species List, Australia Species List, Cape Verde Species List, Central African Republic Species List, Denmark Species List, India Species List, Montenegro Species List, Norway Species List, Oman Species List, Pakistan Species List, Qatar Species List, Namibia Species List, Syria Species List, Wildfinder (WWF), Brazil Species List, Canada Species List, China Species List, Japan Species List, Philippines Species List, Russia Species List, Egypt Species List, Cape Verde Species List, wikipedia 日本語, wikipedia 日本語, wikipedia 日本語, wikipedia 日本語, wikipedia 日本語, wikipedia 日本語, wikipedia 日本語, wikipedia 日本語, and Albania Species List

Recognized by Flickr BHL, Arctic Birds, Afghanistan Species List, AnAge, NMNH Birds in DwC A, Harvard Museum of Comparative Zoology DwCA, and CalPhotos in DwC-A

Species recognized by GBIF classification

Recognized by OBIS environmental data records

Species recognized by United States Species List and Wikimedia Commons

Recognized by Flickr Group