Animalia > Chordata > Aves > Charadriiformes > Laridae > Thalasseus > Thalasseus bengalensisThalasseus bengalensis (Lesser Crested Tern)Synonyms: Sterna bengalensis (homotypic) The lesser crested tern (Thalasseus bengalensis, syn. Sterna bengalensis) is a seabird of the tern family, Sternidae. The genus name is from Ancient Greek Thalasseus, "fisherman" from thalassa, "sea". The specific bengalensis means "of Bengal", the type locality, historically referring to much of northern India and Bangladesh. This bird has a number of geographical subspecies, differing mainly in size and minor plumage details: The Mediterranean race is a rare vagrant to Europe, and has bred in pure or mixed pairs (with Sandwich tern) in Italy, Spain and England. |
Uniqueness Scale: Similiar (0) Unique (100) Uniqueness & Vulnerability Scale: Similiar & Secure (0) Unique & Vulnerable (100) ED Score: 2.63532 EDGE Score: 1.2907 |
Adult Weight [1] | 204 grams | Birth Weight [1] | 35 grams | Female Weight [1] | 220 grams | Male Weight [1] | 188 grams | Weight Dimorphism [1] | 17 % | ![](/img/transp.gif) | Diet [2] | Carnivore (Invertebrates), Piscivore | Diet - Fish [2] | 50 % | Diet - Invertibrates [2] | 50 % | Forages - Water Surface [2] | 20 % | Forages - Underwater [2] | 80 % | ![](/img/transp.gif) | Clutch Size [4] | 1 | Clutches / Year [3] | 1 | Fledging [3] | 34 days | Incubation [4] | 23 days | Maximum Longevity [1] | 25 years | Wing Span [4] | 38 inches (.96 m) |
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Name |
Countries |
Ecozone |
Biome |
Species |
Report |
Climate |
Land Use |
Aldabra Island xeric scrub |
Seychelles |
Afrotropic |
Deserts and Xeric Shrublands |
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Andaman Islands rain forests |
India |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Arabian Peninsula coastal fog desert |
Oman, Yemen, Saudi Arabia |
Afrotropic |
Deserts and Xeric Shrublands |
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Arnhem Land tropical savanna |
Australia |
Australasia |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Atlantic coastal desert |
Mauritania, Western Sahara |
Palearctic |
Deserts and Xeric Shrublands |
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Banda Sea Islands moist deciduous forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Borneo lowland rain forests |
Indonesia, Malaysia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Borneo peat swamp forests |
Indonesia, Malaysia, Brunei |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Brigalow tropical savanna |
Australia |
Australasia |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Buru rain forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Cape York Peninsula tropical savanna |
Australia |
Australasia |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Carnarvon xeric shrublands |
Australia |
Australasia |
Deserts and Xeric Shrublands |
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Carpentaria tropical savanna |
Australia |
Australasia |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Chao Phraya freshwater swamp forests |
Thailand |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Comoros forests |
Comoros |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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East African mangroves |
Mozambique, Tanzania, Kenya, Somalia |
Afrotropic |
Mangroves |
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Eastern Australian temperate forests |
Australia |
Australasia |
Temperate Broadleaf and Mixed Forests |
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Eastern Java-Bali rain forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Eastern Mediterranean conifer-sclerophyllous-broadleaf forests |
Turkey, Jordan, Israel, Syria |
Palearctic |
Mediterranean Forests, Woodlands, and Scrub |
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Eritrean coastal desert |
Eritrea |
Afrotropic |
Deserts and Xeric Shrublands |
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Ethiopian xeric grasslands and shrublands |
Ethiopia, Eritrea, Somalia |
Afrotropic |
Deserts and Xeric Shrublands |
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Granitic Seychelles forests |
Seychelles |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Gulf of Oman desert and semi-desert |
Oman, United Arab Emirates |
Afrotropic |
Deserts and Xeric Shrublands |
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Halmahera rain forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Hobyo grasslands and shrublands |
Somalia |
Afrotropic |
Deserts and Xeric Shrublands |
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Huon Peninsula montane rain forests |
Papua New Guinea |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Indochina mangroves |
Thailand, Cambodia, Viet Nam |
Indo-Malayan |
Mangroves |
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Jian Nan subtropical evergreen forests |
China |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Kimberly tropical savanna |
Australia |
Australasia |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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KwaZulu-Cape coastal forest mosaic |
South Africa |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Lesser Sundas deciduous forests |
Indonesia |
Australasia |
Tropical and Subtropical Dry Broadleaf Forests |
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Madagascar dry deciduous forests |
Madagascar |
Afrotropic |
Tropical and Subtropical Dry Broadleaf Forests |
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Madagascar lowland forests |
Madagascar |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Madagascar mangroves |
Madagascar |
Afrotropic |
Mangroves |
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Madagascar spiny thickets |
Madagascar |
Afrotropic |
Deserts and Xeric Shrublands |
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Madagascar succulent woodlands |
Madagascar |
Afrotropic |
Deserts and Xeric Shrublands |
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Maldives-Lakshadweep-Chagos Archipelago tropical moist forests |
Maldives |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Maputaland coastal forest mosaic |
Mozambique, Swaziland, South Africa |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Mascarene forests |
France, Mauritius |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Mediterranean acacia-argania dry woodlands and succulent thickets |
Morocco, Spain |
Palearctic |
Mediterranean Forests, Woodlands, and Scrub |
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Mediterranean conifer and mixed forests |
Algeria, Morocco, Tunisia |
Palearctic |
Temperate Coniferous Forests |
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Mediterranean dry woodlands and steppe |
Algeria, Egypt, Libya, Morocco, Tunisia |
Palearctic |
Mediterranean Forests, Woodlands, and Scrub |
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Mediterranean woodlands and forests |
Morocco, Algeria, Tunisia |
Palearctic |
Mediterranean Forests, Woodlands, and Scrub |
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Mentawai Islands rain forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Myanmar Coast mangroves |
India, Myanmar, Malaysia, Thailand |
Indo-Malayan |
Mangroves |
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Myanmar coastal rain forests |
Myanmar, Bangladesh |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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New Guinea mangroves |
Indonesia, Papua New Guinea |
Australasia |
Mangroves |
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Nicobar Islands rain forests |
India |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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North Saharan steppe and woodlands |
Egypt, Libya, Algeria, Tunisia, Morocco, Western Sahara, Mauritania |
Palearctic |
Deserts and Xeric Shrublands |
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Northern Vietnam lowland rain forests |
Viet Nam |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Northern Zanzibar-Inhambane coastal forest mosaic |
Kenya, Somalia, Tanzania |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Northwestern thorn scrub forests |
India, Pakistan |
Indo-Malayan |
Deserts and Xeric Shrublands |
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Peninsular Malaysian peat swamp forests |
Malaysia, Thailand |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Peninsular Malaysian rain forests |
Indonesia, Malaysia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Persian Gulf desert and semi-desert |
Saudi Arabia, Kuwait, Bahrain, Qatar, United Arab Emirates |
Palearctic |
Deserts and Xeric Shrublands |
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Pilbara shrublands |
Australia |
Australasia |
Deserts and Xeric Shrublands |
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Po Basin mixed forests |
Italy |
Palearctic |
Temperate Broadleaf and Mixed Forests |
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Queensland tropical rain forests |
Australia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Red Sea Nubo-Sindian tropical desert and semi-desert |
Egypt, Jordan, Saudia Arabia, Yemen, Oman |
Palearctic |
Deserts and Xeric Shrublands |
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Sahara desert |
Egypt, Sudan, Libya, Algeria, Mauritania, Mali, Chad, Niger |
Palearctic |
Deserts and Xeric Shrublands |
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Sahelian Acacia savanna |
Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Cameroon, Chad, Sudan, Eritrea, Ethiopia |
Afrotropic |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Seram rain forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Socotra Island xeric shrublands |
Yemen |
Afrotropic |
Deserts and Xeric Shrublands |
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Somali montane xeric woodlands |
Somalia |
Afrotropic |
Deserts and Xeric Shrublands |
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South China-Vietnam subtropical evergreen forests |
China, Viet Nam |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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South Iran Nubo-Sindian desert and semi-desert |
Iran, Iraq, Pakistan |
Palearctic |
Deserts and Xeric Shrublands |
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South Saharan steppe and woodlands |
Mauritania, Mali, Algeria, Niger, Chad, Sudan |
Palearctic |
Deserts and Xeric Shrublands |
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Southeastern Papuan rain forests |
Papua New Guinea |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Southern Africa mangroves |
South Africa, Mozambique |
Afrotropic |
Mangroves |
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Southern New Guinea freshwater swamp forests |
Indonesia, Papua New Guinea |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Southern New Guinea lowland rain forests |
Indonesia, Papua New Guinea |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Southern Vietnam lowland dry forests |
Viet Nam |
Indo-Malayan |
Tropical and Subtropical Dry Broadleaf Forests |
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Southern Zanzibar-Inhambane coastal forest mosaic |
Mozambique, Tanzania, Malawi, Zimbabwe |
Afrotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Southwest Australia savanna |
Australia |
Australasia |
Mediterranean Forests, Woodlands, and Scrub |
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Southwest Borneo freshwater swamp forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Sulawesi lowland rain forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Sumatran freshwater swamp forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Sumatran montane rain forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Sumatran peat swamp forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Sunda Shelf mangroves |
Indonesia, Malaysia, Brunei |
Indo-Malayan |
Mangroves |
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Sundaland heath forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Tenasserim-South Thailand semi-evergreen rain forests |
Myanmar, Thailand, Malaysia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Timor and Wetar deciduous forests |
East Timor, Indonesia |
Australasia |
Tropical and Subtropical Dry Broadleaf Forests |
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Trans Fly savanna and grasslands |
Indonesia, Papua New Guinea |
Australasia |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Vogelkop montane rain forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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Vogelkop-Aru lowland rain forests |
Indonesia |
Australasia |
Tropical and Subtropical Moist Broadleaf Forests |
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West Sudanian savanna |
Senegal, Guinea, Mali, Côte d'Ivoire, Burkina Faso, Ghana, Togo, Benin, Niger, Nigeria |
Afrotropic |
Tropical and Subtropical Grasslands, Savannas, and Shrublands |
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Western Java rain forests |
Indonesia |
Indo-Malayan |
Tropical and Subtropical Moist Broadleaf Forests |
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Name |
Location |
IBA Criteria |
Website |
Climate |
Land Use |
Abu Ali |
Saudi Arabia |
A4i, B1i, B3 |
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Ambavanankarana wetlands |
Madagascar |
A1, A2, A3, A4i |
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Baly Bay National Park |
Madagascar |
A1, A2, A3, A4i |
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Barr al Hikman |
Oman |
A1, A4i, A4iii, B1i, B2, B3 |
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Bazaruto Archipelago |
Mozambique |
A4i, A4iii |
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Cape Anorontany archipelago |
Madagascar |
A1, A3, A4i |
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Dar es Salaam coast |
Tanzania |
A4i, A4iii |
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Dehalak Archipelago and offshore islands |
Eritrea |
A1, A3, A4i |
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Geziret al Elba: Ayn al Ghazalah Bay |
Libya |
A3, A4i |
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Geziret Garah |
Libya |
A4i |
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Gulf coral islands |
Saudi Arabia |
A1, A4i, A4iii, B1i, B2, B3 |
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Gulf of Salwah |
Saudi Arabia |
A1, A4i, A4iii, B1i, B2, B3 |
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Hurghada archipelago |
Egypt |
A1, A4i, A4ii |
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Islands north of Al-Hudaydah |
Yemen |
A1, A4i, B1i, B1ii, B2, B3 |
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Kharku Wildlife Refuge |
Iran, Islamic Republic of |
A4i, B1i, B3 |
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Les Sept Frères |
Djibouti |
A4i |
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Mahavavy Kinkony Wetland |
Madagascar |
A1, A2, A3, A4i |
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Mukawwar island and Dunganab bay |
Sudan |
A1, A3, A4i |
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Na Muang Krabi |
Thailand |
A1, A3, A4i |
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Nakhilu, Morghu and Ummal Karam islands |
Iran, Islamic Republic of |
A4i, A4iii, B1i, B3 |
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North-central Selangor coast |
Malaysia |
A1, A4i |
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Qarnayn island |
United Arab Emirates |
A1, A4i, A4ii, B1i, B1ii, B2, B3 |
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Rufiji Delta |
Tanzania |
A4i |
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Sabaki River Mouth |
Kenya |
A4i |
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Sahamalaza Bay wetlands SAPM |
Madagascar |
A1, A3, A4i |
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Sebkha Bou Areg |
Morocco |
A1, A4i |
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Southwestern Coastal Wetlands and Nosy Manitse |
Madagascar |
A1, A2, A3, A4i |
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Suakin archipelago |
Sudan |
A4i |
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Tambohorano wetland Complex |
Madagascar |
A1, A2, A3, A4i |
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Tana River Delta |
Kenya |
A1, A3, A4i, A4iii |
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Wetlands of the Tsiribihina delta and upper Tsiribihina river |
Madagascar |
A1, A2, A3, A4i |
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Name |
Location |
Endemic |
Species |
Website |
Coastal Forests of Eastern Africa |
Kenya, Mozambique, Somalia, Tanzania |
No |
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Horn of Africa |
Djibouti, Ethiopia, Eritrea, Kenya, Oman, Somalia, Yemen |
No |
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Indo-Burma |
Bangladesh, Cambodia, China, India, Laos, Myanmar, Thailand, Viet Nam |
No |
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Madagascar and the Indian Ocean Islands |
Comoros, Madagascar, Mauritius, Seychelles |
No |
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Maputaland-Pondoland-Albany |
Mozambique, South Africa, Swaziland |
No |
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Mediterranean Basin |
Algeria, Egypt, France, Greece, Israel, Jordan, Lebanon, Libya, Portugal, Spain, Syria, Tunisia, Turkey |
No |
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Philippines |
Philippines |
No |
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Sundaland |
Brunei Darussalam, Indonesia, Malaysia, Singapore, Thailand |
No |
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Wallacea |
East Timor, Indonesia |
No |
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Western Ghats and Sri Lanka |
India, Sri Lanka |
No |
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![](/img/rangekey.png) Attributes / relations provided by ♦ 1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n ♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027 ♦ 3Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109 ♦ 4del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. ♦ 5Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics. ♦ 6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London ♦ 7Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19 Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database |
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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