Results 71 to 80 of about 94,913 (300)

Carnivore Concepts: Categorization in Carnivores “Bears” Further Study [PDF]

open access: yesInternational Journal of Comparative Psychology, 2017
Although categorization abilities may serve as the foundation for most other complex cognitive processes, this topic has been grossly understudied in the order Carnivora. However, there are a growing number of studies examining the abilities of bears, felines, and canines to discriminate among stimuli that could represent conceptual categories.
Vonk, Jennifer, Leete, Jessica A.
openaire   +3 more sources

Patterns and correlates of claims for brown bear damage on a continental scale [PDF]

open access: yes, 2017
Wildlife damage to human property threatens human-wildlife coexistence. Conflicts arising from wildlife damage in intensively managed landscapes often undermine conservation efforts, making damage mitigation and compensation of special concern for ...
Agnieszka, Olszańska   +22 more
core   +1 more source

Descriptive, comparative, and functional anatomy of the facial musculature in cattle (Bos taurus)

open access: yesThe Anatomical Record, EarlyView.
Abstract Facial expressions can provide insight into animal emotions and pain, but no standardized system for assessing the entire facial display in cattle (Bos taurus Linnaeus) exists. The Facial Action Coding System (FACS), originally developed for humans, identifies distinct facial movements based on mimetic muscles.
Maja Söderlind   +6 more
wiley   +1 more source

Exotic Prey Facilitate Coexistence between Pumas and Culpeo Foxes in the Andes of Central Chile

open access: yesDiversity, 2020
Coexistence between species with similar ecological niches implies species must segregate along one or more niche axes to survive. Space, time, and trophic resources are regarded as the principal axes upon which species segregate. We examined segregation
Christian Osorio   +4 more
doaj   +1 more source

Understanding extinction risk and resilience in an extremely small population facing climate and ecosystem change

open access: yesEcosphere, 2021
San Nicolas Island (SNI) foxes historically had the highest densities of the six subspecies of Channel Island fox, four of which were listed as endangered in the 1990s.
Victoria J. Bakker   +2 more
doaj   +1 more source

Local attitudes toward Apennine brown bears: Insights for conservation issues [PDF]

open access: yes, 2019
Human-carnivore coexistence is a multi-faceted issue that requires an understanding of the diverse attitudes and perspectives of the communities living with large carnivores. To inform initiatives that encourage behaviors in line with conservation goals,
Boitani L.   +15 more
core   +3 more sources

Comparative cranial biomechanics reveal macroevolutionary trends in theropod dinosaurs, with emphasis on Tyrannosauroidea

open access: yesThe Anatomical Record, EarlyView.
Abstract Tyrannosaurus is viewed as a model organism in vertebrate paleontology, with numerous studies analyzing its feeding biomechanics. Nonetheless, the evolution of this feeding performance has been under‐addressed in Tyrannosauroidea, especially in basal tyrannosauroids. Here we used muscle‐force reconstruction and finite element analysis (FEA) to
Evan Johnson‐Ransom   +4 more
wiley   +1 more source

Movement patterns and athletic performance of leopards in the Okavango Delta [PDF]

open access: yes, 2018
Although leopards are the most widespread of all the big cats and are known for their adaptability, they are elusive and little is known in detail about their movement and hunting energetics.
Bertram B   +12 more
core   +2 more sources

Characterization of the extracellular matrix from human and dog umbilical cords

open access: yesThe Anatomical Record, EarlyView.
Abstract The extracellular matrix is important for maintaining tissue morphogenesis and homeostasis; it can also be used as a biomaterial for the production of biological scaffolds. Particularly, the umbilical cord has shown potential in the production of scaffolds for small‐diameter vessels.
Ana Carla Mendonça   +6 more
wiley   +1 more source

Inter‐ and intraspecific variation in theropod dinosaur dental microwear and its palaeoecological implications

open access: yesThe Anatomical Record, EarlyView.
Abstract Differences in skull and tooth morphology, stomach contents, and estimated bite force between medium‐to‐large sized (≥100 kg) predatory theropod dinosaurs have long been suspected to correlate with differences in their diets and dietary guilds (e.g., hypercarnivory, piscivory).
Cassius Morrison   +9 more
wiley   +1 more source

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