2008
DOI: 10.1590/s1519-69842008000300012
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Cetacean diversity on the Parnaiba Delta, Maranhão state, northeastern Brazil

Abstract: The increase in the research of cetacean surveys on the Brazilian coast has brought new data on the distribution of species never reported before. The present work reviews the current knowledge on cetaceans species and extends this knowledge with an analysis of cetaceans stranded in the Parnaiba Delta, on the coast of Maranhão State, Brazil. The studies on cetacean diversity on the coast of the Parnaíba Delta were made from August 2004 to August 2006. Fourteen strandings were reported, representing six distinc… Show more

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Cited by 7 publications
(3 citation statements)
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“…The present report of this species in this region, in addition with strandings that occurred along Ceará (Furtado-Neto et al, 1998), Piauí (Severo et al, 2004) and Maranhão State coast , may indicate a possible increase of the humpback whale population along the Southwestern Atlantic, probably extending their distribution area towards the northern coast of Brazil, like others authors supposed (Lodi, 1994;Andriolo et al, 2006;Magalhães et al, 2008;Rossi-Santos et al, 2008). Although it is not yet clear whether these areas correspond to the typical range of the species, there are signs that with population growth it is reoccupying areas further north, where it should be their historical occurrence (Milton Marcondes, personal communication).…”
supporting
confidence: 77%
See 1 more Smart Citation
“…The present report of this species in this region, in addition with strandings that occurred along Ceará (Furtado-Neto et al, 1998), Piauí (Severo et al, 2004) and Maranhão State coast , may indicate a possible increase of the humpback whale population along the Southwestern Atlantic, probably extending their distribution area towards the northern coast of Brazil, like others authors supposed (Lodi, 1994;Andriolo et al, 2006;Magalhães et al, 2008;Rossi-Santos et al, 2008). Although it is not yet clear whether these areas correspond to the typical range of the species, there are signs that with population growth it is reoccupying areas further north, where it should be their historical occurrence (Milton Marcondes, personal communication).…”
supporting
confidence: 77%
“…Occasional sightings and strandings have been reported from Rio Grande do Sul 34° S to Maranhão State 2° S (e.g. Pinedo, 1985;Lodi, 1994;Siciliano, 1997;Furtado-Neto et al, 1998;Pizzorno et al, 1998;Severo et al, 2004;Magalhães et al, 2008). The present paper reports the northern most record of a humpback whale (M. novaeangliae) stranding in Brazilian coast.…”
mentioning
confidence: 50%
“…It was assumed that the strandings took part mostly in spring, summer, and winter months, influenced by strong north-western winds, when carcasses have more chance of coming ashore. Magalhães et al (2008) have contributed with two records of Sperm whales for the Maranhão coastline, during their short-term surveys from 2004 to 2006. Other records for the north-eastern coast include a newborn stranded near of Baía do Capim ( 1°76'S, 44°83'W ), Maranhão coast (S3 File), and four other specimens reported by Tosi et al (2006) .…”
Section: Discussionmentioning
confidence: 99%