Tag: all of Sula

Sex-specific foraging behaviour in tropical boobies:does size matter?

Brown Booby (Sula leucogaster) Science Article 1 abstract Sex differences in the foraging behaviour of adults have been observed in a number ofsexually size-dimorphic birds, and the usual inference has been that these sex-specificdifferences are driven primarily by differences in body size. An alternative explanation is thatforaging differences result from sex differences unrelated to size, […]

Occurrence of Contracaecum pelagicum Johnston & Mawson 1942 (Nematoda,Anisakidae) in Sula leucogaster Boddaert 1783 (Pelecaniformes, Sulidae)

Brown Booby (Sula leucogaster) Science Article 7 abstract Brazilian wildlife birds constitute a group in which the parasite-host relationship still needs to be investigated. Several studies about the identification of new parasites or about the description of new hosts have been published. The present study describes the occurrence of Contracaecum pelagicum Johnston & Mawson 1942 […]

POSSIBLE HYBRIDIZATION BETWEEN THE PERUVIAN BOOBYSULA VARIEGATA AND THE BLUE-FOOTED BOOBY S. NEBOUXIIIN LOBOS DE AFUERA ISLANDS, PERU

Masked Booby (Sula dactylatra) Science Article 3 abstract Many hypotheses have been formulated to explain the causes of the relatively uncommon phenomenon of siblicidal aggression. All have been supported by evidence, however, no single hypothesis can fully explain the cause of avian siblicidal aggression Melissa Schramm ET AL., Avian Siblicidal Aggression Download article download full […]

EFFECTS OF THE 1982-83 EL NINO EVENT ON BLUE-FOOTED AND MASKED BOOBY POPULATIONS ON ISLA DAPHNE MAJOR, GALAPAGOS

Masked Booby (Sula dactylatra) Science Article 6 abstract El Nino events have negative effects on seabird populations in the equatorial Pacific, including the Galapagos Islands, by causing reductions in food supplies. H. LISLE GIBBS et al., The Condor 89:440-442 Download article download full text (pdf)

First South Carolina Specimens of theMasked Booby (Sula dactylatra)

Masked Booby (Sula dactylatra) Science Article 1 abstract The Masked Booby (Sula dactylatra) is a pelagic warm-water species rarely seen near shore (Clapp et al. 1982). On the North American Atlantic coast, seabirds such as boobies are most often found in productive feeding areas far from land. William Post, The Chat, Vol. 68, No. 1 […]

Breeding biology of Masked Boobies (Sula dactylatra tasmani) on Lord Howe Island, Australia

Masked Booby (Sula dactylatra) Science Article 2 abstract The breeding biology and reproductive output of a colony of Masked Boobies on Mutton Bird Point, Lord Howe Island, Australia, were studied during the 2001 02 breeding season. The colony produced a total of 200 clutches. Eggs were laid between 31 May and 15 September 2001, with […]

NEST SITE SELECTION BY MASKED AND BLUE-FOOTED BOOBIES ON ISLA ESPANOLA, GALAPAGOS

Masked Booby (Sula dactylatra) Science Article 4 abstract Punta Suarez, Isla Espanola, Galapagos Islands, Masked Boobies (Sula dactylatra) nested at the edge of a cliff while Blue-footed Boobies (Sula nebouxiz) nested farther inland. Elsewhere in the Galapagos, Blue-footed Boobies nested near cliff edges at seven of eight sites where Masked Boobies were absent. DAVID CAMERON […]