Ruddy Turnstone (Arenaria interpres) Science Article 2 abstract Three populations of Turnstone were studied. Primarily a series of comparisons were made between the Canadian-Greenland population which winters mainly in western Europe ad the Siberian population which winters partly in southern Africa. There was no long term change in the size of the latter population over […]
Mitochondrial Control-Region Sequences in Two Shorebird Species, the Turnstone and the Dunlin, and Their Utility in Population Genetic Studies
Ruddy Turnstone (Arenaria interpres) Science Article 1 abstract Because of its rapid rate of sequence evolution, al most strictly maternal mode of inheritance, and lack of recombination, mitochondrial DNA (mtDNA) is the molecule of choice both for studies of intraspecific sequence divergence (Wilson et al. 1985; but see Gyllensten et al. I99 1) and for […]
SPATIAL AND TEMPORAL ABUNDANCE PATTERNS OF RUDDY QUAIL-DOVES (GEOTRYGON MOKWVi4) NEAR MANAUS, BRAZIL
Ruddy Quail-Dove (Geotrygon montana) Science Article 1 abstract We analyzed patterns of abundance of Ruddy Quail-Doves (Geotrygon montana)base on 12 years of mist-net data (457 captures) from terrajirme forest near Manausin central Amazonian Brazil. Unlike most understory birds at the study site, G. montanavaried greatly in abundance. Quail-doves disappeared for months and then reappeared,usually during […]
REPRODUCTIVE ECOLOGY OF THE RUDDY GROUND-DOVE ON THE CENTRAL PLATEAU OF BRAZIL
Ruddy Ground-Dove (Columbina talpacoti) Science Article 1 abstract The reproductive ecology of the Ruddy Ground-Dove (Columbina talpacoti)was studied between January 1982 and February 1983 in the Cerrado of the Central Plateauof Brazil. A total of 2 18 nests were found in 19 plant species, at heights ranging from groundlevel to 7.5 m. Nest construction was […]
Eimeria curvata n. sp. (Apicomplexa: Eimeriidae) inColumbina talpacoti and Scardafella squammata(Aves: Columbidae) from Brazil
Ruddy Ground-Dove (Columbina talpacoti) Science Article 2 abstract Eimeria curvata is a new coccidian described in the doves Columbina talpacoti and Scardafellasquammata from western of the State of Sao Paulo, Brazil. The oocysts are ovoid to ellipsoid, 18.3 (17-19)
Conservation of the globally threatened white-headed duck,Oxyura leucocephala, in the face of hybridization with the NorthAmerican ruddy duck, Oxyura jamaicensis: results of a control trial
Ruddy Duck (Oxyura jamaicensis) Science Article 1 abstract The North American ruddy duck, introduced into Europe in the 1960s, threatens the globally endangered whiteheadedduck with extinction through hybridization. A regional control trial, conducted in three areas of Britain, killed over 2,600birds and led to a significant regional reduction in ruddy duck numbers. Control using firearms […]
Predation by Kelp Gulls Larus dominicanus at a mixed-species colony of Royal Terns Sterna maxima and Cayenne Terns Sterna eurygnatha in Patagonia
Royal Tern (Sterna maxima) Science Article 2 abstract We studied the predator-prey interaction between Kelp Gulls Larus dominicanus and Royal Terns Sterna maxima and Cayenne Terns Sterna eurygnatha at Punta Leon, Argentina, from 1990 to 1992. Kelp Gulls were the main predator of tern eggs in all 3 years, accounting for 99% of observed predations […]
Royal Tern (Sterna maxima) Chick Diet at Fisherman Island National Wildlife Refuge, Virginia
Royal Tern (Sterna maxima) Science Article 1 abstract Royal Tern (Sterna maxima) chick diet at Fisherman Island National Wildlife Refuge, Virginia, was investigated in 2003 and 2004. Primary objectives were to document common prey species, annual and seasonal variation in prey selection, and seasonal variation in prey size based on average bill length in this […]
DIET OF ROYAL (THALASSEUS MAXIMUS) AND SANDWICH (T.SANDVICENSIS ) TERNS DURING THE AUSTRAL WINTER INTHE BUENOS AIRES PROVINCE, ARGENTINA
Royal Tern (Sterna maxima) Science Article 3 abstract The northern and central part of the coast in Buenos Aires Province (Argentina) presentsimportant roosting areas where several marine bird species aggregate during the australwinter. Marco Favero et al., ORNITOLOGIA NEOTROPICAL 11: 259-262, 2000 Download article download full text (pdf)
ROYAL TERN NESTING ATTEMPTS IN CALIFORNIA: ISOLATED OR SIGNIFICANT INCIDENTS?
Royal Tern (Sterna maxima) Science Article 4 abstract Only four nesting attempts are known for the Royal Tern (Sterna maxima) in California, all at the San Diego Bay salt evaporating ponds. This paper describes t e two most recent nesting attempts in detail and discusses all four attempts in terms of coincidental events in California […]