Results 41 to 50 of about 2,310 (195)
New evidence indicates the presence of barracuda (Sphyraenidae) and supports a tropical marine environment in the Miocene of Madagascar. [PDF]
PLoS ONE, 2017 Recent exploration of Miocene-age deposits at Nosy Makamby, a small island ~50 km southwest of Mahajanga city in northwestern Madagascar, has led to the recovery of a large sample [82] of isolated barracuda teeth (Sphyraena sp.).
Michael D Gottfried +4 more
doaj +1 more source
Anthracobunids from the middle eocene of India and pakistan are stem perissodactyls. [PDF]
PLoS ONE, 2014 Anthracobunidae is an Eocene family of large mammals from south Asia that is commonly considered to be part of the radiation that gave rise to elephants (proboscideans) and sea cows (sirenians).
Lisa Noelle Cooper +6 more
doaj +1 more source
Frontiers in Ecology and Evolution, 2023 Although there is growing concern about ingestion of microplastics by marine organisms, little research has been conducted on marine herbivores. This is the first study to document microplastic ingestion within the family Sirenia.
Shannon Gowans, Amy N. S. Siuda
doaj +1 more source
Accelerometers can measure total and activity-specific energy expenditures in free-ranging marine mammals only if linked to time-activity budgets [PDF]
, 2016 Peer ...
Boyd I.L. +12 more
core +3 more sources
Seals, Sea Lions, and Walruses [PDF]
A classroom resource for grades 4-8 lessons on these pinnipeds. Guide is complete with background materials (for students and teacher), goals and objectives, a glossary, 9 classroom activities, and a bibliography for obtaining additional resources.
core +4 more sources
Early postnatal growth of the spotted dolphin, Stenella attenuata, in the offshore Eastern Tropical Pacific. [PDF]
, 1984 Estimates of length at birth and early postnatal growth are made for the northern and southern populations of the offshore spotted dolphin in the offshore eastern tropical Pacific.
Hammond, P.S., Hohn, Aleta A.
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Distilling food web dynamics: top–down and bottom–up drivers of extinction and trophic cascades
Oikos, EarlyView.Quantifying population dynamics is a fundamental challenge in ecology and evolutionary biology, particularly for species that are cryptic, microscopic, or extinct. Traditional approaches rely on continuous representations of population size, but in many cases, the precise number of individuals is unknowable.
Justin D. Yeakel
wiley +1 more source
Caldasia, 2018 Observations on the epizoic interaction between diatoms and marine mammals have been conducted mostly in cetaceans and are scarce in sirenians. By scraping the skin surface, the samples of biofilm were collected of a captive male Caribbean manatee in ...
Marco Violante-Huerta +2 more
doaj +1 more source
Animals, 2022 Marine mammals play a critical ecological role as both predator and prey. They are divided into three groups that share similar adaptations to their aquatic life, but that have very different origins and life patterns: sirenians, pinnipeds, cetaceans ...
Rosario Martín-Orti +7 more
doaj +1 more source
, 2010 This book blends traditional taxonomy with genetics, for species and gender identification and for forensic testing for preventing illegal trade in marine mammal products. Updating will be an ongoing process.
Silas, E G
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