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Category: Threskiornithidae

International single species Action planfor the Conservation of the Northern Bald Ibis

Southern Bald Ibis (Geronticus calvus) Science Article 1 abstract The Northern Bald Ibis Geronticus eremita has undergone a long history of decline over at least four centuries, having been distributed over much of north and northeast Africa and the Middle East. Two distinct populations have been identified which are genetically distinct. The main western population […]

FORAGING ECOLOGY OF SEVEN SPECIES OF NEOTROPICAL IBISES (THRESKIORNITHIDae) DURING THE DRY SEASON IN THE LLANOS OF VENEZUELA

Scarlet Ibis (Eudocimus ruber) Science Article 1 abstract sympatric species of ibises (Threskiomithidae) in the Venezuelan llanos during the dry season of 1989. Scarlet (Eudocimus ruber), Glossy (Plegadis falcinellus), and Bare-faced (Phimosus infiscatus) ibises were the most common species. White (E. albus), Green (Mesembrinibis cayennensis), Sharp-tailed (Cercibis oxycerca), and Buff-necked( Theristicus caudatus) ibises together made […]

FOOD HABITS OF THE SCARLET AND WHITE IBIS IN THE ORINOCO PLAINS

Scarlet Ibis (Eudocimus ruber) Science Article 3 abstract The Scarlet Ibis is neotropical and distributed from the northeastern coast of South America from Colombia to Brazil and the Orinoco Llanos. The White Ibis occurs from the coastal plain of southern North America, through Central America, into Venezuela (Hancock et al. 1992). EDUARD AGUILERA,C RISTINAR AMO […]

BREEDING BIOLOGY OF THE SCARLET IBIS ON CAJUAL ISLAND, NORTHERN BRAZIL

Scarlet Ibis (Eudocimus ruber) Science Article 2 abstract The reproductive biology of the Scarlet Ibis (Eudocimus ruber) and White Ibis (E. albus) is well known from sites in North America, the Caribbean, and the Venezuelan Ilanos, but few data are available on the status or breeding patterns of the populations that inhabit South American mangroves. […]

NESTING ECOLOGY OF ROSEATE SPOONBILLS AT NUECES BAY, TEXAS

Roseate Spoonbill (Ajaia ajaja) Science Article 1 abstract We conducted a study in 1978-1980 of the nesting colony of Roseate Spoonbills (Ajaia ajaja) in a relatively polluted environment at Nueces Bay, Texas. For 154 marked nests, the average clutch size was 3.0 eggs; 73% of the eggs hatched, and 87% of the nests were successful […]

FORAGING ECOLOGY OF SEVEN SPECIES OF NEOTROPICAL IBISES (THRESKIORNITHIDae) DURING THE DRY SEASON IN THE LLANOS OF VENEZUELA

Green Ibis (Mesembrinibis cayennensis) Science Article 1 abstract sympatric species of ibises (Threskiomithidae) in the Venezuelan llanos during the dry season of 1989. Scarlet (Eudocimus ruber), Glossy (Plegadis falcinellus), and Bare-faced (Phimosus infiscatus) ibises were the most common species. White (E. albus), Green (Mesembrinibis cayennensis), Sharp-tailed (Cercibis oxycerca), and Buff-necked( Theristicus caudatus) ibises together made […]

Microverontreinigingen in lepelaarkuikens uit het Zwanenwater

Eurasian Spoonbill (Platalea leucorodia) Science Article 1 abstract De broedkolonies van de lepelaar (Platalea leucorodia) behoren tot de meest noordelijke in het verspreidingsgebied van de soort. Sinds het begin van de zestiger jaren heeft de soort sterk onder druk gestaan, met een dramatisch dieptepunt van minder dan 200 broedparen eind jaren zestig. Naast verstoring, habitatverlies, […]

Dispersal and migration in Eurasian Spoonbills Platalea leucorodia

Eurasian Spoonbill (Platalea leucorodia) Science Article 2 abstract Sightings of Eurasian Spoonbills marked at the Odiel marshes, SW. Spain, were analysed to determine the extent of philopatry, sites of dispersal and the temporal and spatial patterns of migration in this population. Odiel Spoonbills winter in the Senegal delta (2500 km south of the Odiel). However, […]

Sacred Ibis: a new invasive species in Europe

African Sacred Ibis (Threskiornis aethiopicus) Science Article 1 abstract Sacred Ibis Threskiornis aethiopicus is closelyrelated to both Black-headed Ibis T. melanocephalus(from the Indian subcontinent) andAustralian White Ibis T. molucca (which breedsin Australia, New Guinea and some nearbyislands)-to the point that they are sometimestreated as one species, T. aethiopicus. However,they are generally regarded as three distinctspecies […]

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