Results 21 to 30 of about 5,640 (223)

Color Vision in the Manatee (Trichechus manatus)

open access: yesVision Research, 1996
Four manatees were trained to discriminate between a colored stimulus and a shade of gray in a two-fold simultaneous choice situation. The colors blue, green, red and blue-green were tested against shades of gray varying from low to high relative brightness. The animals distinguished both blue and green from a series of grays but failed to discriminate
GRIEBEL, ULRIKE, SCHMID, AXEL
openaire   +2 more sources

The evolutionary history of manatees told by their mitogenomes

open access: yesScientific Reports, 2021
The manatee family encompasses three extant congeneric species: Trichechus senegalensis (African manatee), T. inunguis (Amazonian manatee), and T. manatus (West Indian manatee).
Érica Martinha Silva de Souza   +11 more
doaj   +1 more source

Manatíes y delfines en sitios arqueológicos precolombinos de Cuba

open access: yesNovitates Caribaea, 2015
Se revisa el registro de los mamíferos acuáticos hallados en sitios arqueológicos precolombinos de Cuba, el cual incluye mayormente el manatí (Trichechus manatus) y en muy escasa frecuencia al delfín nariz de botella (Turciops truncatus) y otro cetáceo ...
Osvaldo Jiménez Vázquez
doaj   +1 more source

El manatí (Trichechus manatus manatus Linnaeus,1758) (Sirenia) una especie sombrilla, para el Sistema Lagunar de Alvarado, Veracruz [PDF]

open access: yes, 2010
The most emblematic mammal in the Alvarado Lagoon System (ALS) is the West Indian manatee (Trichechus manatus manatus). In July 1975 was considered as endangered species by the Convention on International Trade in Endangered Species of Fauna and Flora ...
Daniel Rentería, Iliana del Carmen   +2 more
core   +2 more sources

Manatee (Trichechus manatus) vocalization usage in relation to environmental noise levels [PDF]

open access: yes, 2009
Author Posting. © Acoustical Society of America, 2009. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution.
Brumm H.   +17 more
core   +2 more sources

TLR4 and TLR8 variability in Amazonian and West Indian manatee species from Brazil [PDF]

open access: yesGenetics and Molecular Biology
Amazonian (Trichechus inunguis) and West Indian (Trichechus manatus) manatees are aquatic mammals vulnerable to extinction found in the Amazon basin and the coastal western Atlantic.
Tatiana Maia de Oliveira   +10 more
doaj   +2 more sources

Metabolismo e respiração do peixe-boi da Amazônia (Trichechus inunguis) [PDF]

open access: yesActa Amazonica, 1981
Resumo Estudo da respiração e metabolismo de peixes-bois da Amazônia (Trichechus inunguis) pesando entre 20 e 170 kg. Esses animais têm uma taxa metabólica baixa, 0,36 vezes daquele prognosticado pela equação de Kleiber (1975) para mamíferos placentários.
G. J. Gallivan, R. C. Best
doaj   +1 more source

Florida manatees Trichechus manatus latirostris actively consume the sponge Chondrilla caribensis [PDF]

open access: yesPeerJ, 2020
The Florida manatee (Trichechus manatus latirostris Linnaeus 1758) actively selects and consumes the “chicken-liver” sponge Chondrilla caribensis. Manatees ate over 10% of C.
William Fitt
doaj   +2 more sources

Cuban Land Use and Conservation, from Rainforests to Coral Reefs [PDF]

open access: yes, 2018
Cuba is an ecological rarity in Latin America and the Caribbean. Its complex political and economic history shows limited disturbances, extinctions, pollution, and resource depletion by legal or de facto measures.
Ahamed, Sonya   +7 more
core   +2 more sources

Twelve years of “Astro” in Sergipe State: in search of harmony between the manatee and the local waterside communities =Doze anos de “Astro” no Estado de Sergipe: buscando harmonia entre o peixe-boi e as comunidades ribeirinhas [PDF]

open access: yesActa Scientiarum: Biological Sciences, 2012
The Antillean manatee (Trichechus manatus) is the most threatened aquatic mammal in Brazil. It was considered to be extinct in Sergipe until 1998, when a re-introduced animal (Astro) arrived.
Stephen Francis Ferrari   +1 more
doaj   +1 more source

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