Results 41 to 50 of about 94,913 (300)

Assessing Methods for Detecting Island Spotted Skunks

open access: yesWildlife Society Bulletin, 2020
Island spotted skunks (Spilogale gracilis amphiala) are endemic to 2 of the California Channel Islands (CA, USA)—Santa Cruz and Santa Rosa. The status of skunks is uncertain, although incidental captures in traps set for island foxes (Urocyon littoralis)
Ellen C. Bolas   +7 more
doaj   +1 more source

Nyctereutes terblanchei: The raccoon dog that never was [PDF]

open access: yes, 2012
Fossils of the raccoon dog (genus Nyctereutes) are particularly rare in the African PlioPleistocene record, whilst the sole living representative, Nyctereutes procyonoides, is found in eastern Asia and parts of Europe. In southern Africa, only one fossil
Reynolds, Sally C.
core   +2 more sources

Ecological thresholds and large carnivores conservation: Implications for the Amur tiger and leopard in China [PDF]

open access: yes, 2020
The ecological threshold concept describes how changes in one or more factors at thresholds can result in a large shift in the state of an ecosystem. This concept focuses attention on limiting factors that affect the tolerance of systems or organisms and
Holyoak, M, Jiang, G, Ning, Y, Qi, J
core  

The morphology of the oval window in Paranthropus robustus compared to humans and other modern primates

open access: yesThe Anatomical Record, EarlyView.
Abstract The oval window (OW) is an opening connecting the inner and middle ear. Its area has been shown to consistently scale with body mass (BM) in primates, and has been used alongside semi‐circular canal (SCC) size to differentiate Homo sapiens and fossil hominins, including Paranthropus robustus.
Ruy Fernandez, José Braga
wiley   +1 more source

Continued DDT Persistence in Mississippi River Delta Streams: A Case Study [PDF]

open access: yes, 1986
Fish samples representative of several trophic levels were taken from the Wolf and Loosahatchie Rivers of western Tennessee during the early 1980s. Results indicate that DDT, with metabolites DDD and DDE, remains common in fish tissues in these areas and
Knight, Luther A., Jr.   +1 more
core   +2 more sources

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Garbage in the diet of carnivores in an agricultural area [PDF]

open access: yes, 2016
Human food waste is considered to be richer in carbohydrates, lipids and proteins than most natural food supplies; however, it is very well digested in scats. So, as an indication of this kind of food in the diet, we have used each indigestible,
Jankowiak, Łukasz   +2 more
core   +2 more sources

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

open access: yesThe Anatomical Record, EarlyView.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

Assessing the performance of index calibration survey methods to monitor populations of wide‐ranging low‐density carnivores

open access: yesEcology and Evolution, 2020
Apex carnivores are wide‐ranging, low‐density, hard to detect, and declining throughout most of their range, making population monitoring both critical and challenging.
Egil Dröge   +5 more
doaj   +1 more source

Characterization of puma–livestock conflicts in rangelands of central Argentina [PDF]

open access: yesRoyal Society Open Science, 2017
Livestock predation is one of the major causes of conflicts between humans and pumas (Puma concolor). Using data from interviews with ranchers and kill-site inspections, we characterized puma–livestock conflicts in Villarino and Patagones counties of ...
María de las Mercedes Guerisoli   +5 more
doaj   +1 more source

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