Patterns of cetacean sighting distribution in the Pacific Exclusive Economic Zone of Costa Rica based on data collected from 1979-2001 [PDF]
, 2005 Nineteen species of cetaceans (families Balaenopteridae, Kogiidae, Physeteridae, Ziphiidae and Delphinidae) occur in the Costa Rican Pacific Exclusive Economic Zone (EEZ).
Calambokidis, John +4 more
core +1 more source
Report on estimating the size of dolphin schools, based on data obtained during a charter cruise of the M/V Gina Anne, October 11 -November 25, 1979 [PDF]
, 1980 Estimates of dolphin school sizes made by observers and crew members aboard tuna seiners or by observers on ship or aerial surveys are important components of population estimates of dolphins which are involved in the yellowfin tuna fishery in the ...
Allen, R.L. +5 more
core
Morphology and distribution of the spinner dolphin, Stenella longirostris, rough-toothed dolphin, Stenella bredanensis and melon-headed whale, Peponocephala electra, from waters off the Sultanate of Oman [PDF]
, 1999 The morphology of three tropical delphinids from the Sultanate of Oman and their occurrence in the Arabian Sea are presented. Body lengths of four physically mature spinner dolphins (three males) ranged from 154-178.3cm (median 164.5cm), i.e.
Al-Lawati, S.M. +4 more
core
Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]
, 2010 ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by
core
Accumulation of Heavy Metals in Franciscanas from Buenos Aires Province, Argentina [PDF]
, 2002 Marine mammals accumulate heavy metals in their tissues at different concentrations according to trophic levels and environmental conditions. The franciscana (Pontoporia blainvillei) is a small coastal species inhabiting the marine and estuarine areas of
Bastida, R.O. +4 more
core
Evidence from Strandings for Geomagnetic Sensitivity in Cetaceans [PDF]
, 1986 We tested the hypothesis that cetaceans use weak anomalies in the geomagnetic field as cues for orientation, navigation and/or piloting. Using the positions of 212 stranding events of live animals in the Smith sonian compilation which fall within the ...
Dizon, Andrew E. +2 more
core
Why do dolphins form mixed-species associations in the Azores ?
, 2008 Mixed-species associations are temporary associations between individuals of different species that are often observed in birds, primates and cetaceans.
Bearzi +39 more
core +4 more sources
Revista de Biología Tropical, 2004 Paralelo a un estudio de zooplancton (1999-2000), se hicieron observaciones a bordo de un bote inflable, sobre la presencia o ausencia de delfines a lo largo de un transecto (~8 km long) en la parte central de Bahía Culebra (24 km² ), Golfo de Papagayo ...
Karina Rodríguez Sáenz +1 more
doaj