Category: Tropical Ocean

First atlantic records of the red-footed booby sula sulaand brown booby s. leucogaster in southern africa

Brown Booby (Sula leucogaster) Science Article 12 abstract The Red-footed Booby Sula sula and the Brown Booby S. leucogaster occur in most tropical seas (Harrison 1983). Both species have been recorded previously in the southern Africanregion (Maclean 1993, Hockey et al. 1992, 1996). Three additional records are reported here for the Red-footed Booby and one […]

Nazca booby sula granti and brewster’s brown boobysula leucogaster brewsteri in the hawaiian islandsand johnston and palmyra atolls

Brown Booby (Sula leucogaster) Science Article 3 abstract Nazca Booby (Sula granti) and Brewster’s Brown Booby (S. leucogaster brewsteri) are tropical sulids that normally occur only in the easternPacific Ocean. In this paper, we report on recent observations of Nazca Booby and Brewster’s Brown Booby in the Hawaiian Islands, includingthe first apparent nesting records, and […]

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 […]

THE RED-BILLED TROPICBIRD PHaeTHON RUBRICAUDA IN HAWAII,WITH NOTES ON INTERSPECIFIC BEHAVIOR OF TROPICBIRDS

Red-billed Tropicbird (Phaethon aethereus) Science Article 1 abstract Two of the world’s three tropicbird species (Fig. 1) are regular breeders in the Hawaiian Islands. The Red-tailed Tropicbird Phaethon rubricauda is more common in the NorthwesternHawaiian Islands; the White-tailed Tropicbird P. lepturus is more common in the main Hawaiian Islands ERIC A. VANDERWERF and LINDSAY C. […]

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 […]

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)