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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Cortical Complexity In Cetacean Brains, Patrick R. Hof, Rebecca Chanis, Lori Marino
Cortical Complexity In Cetacean Brains, Patrick R. Hof, Rebecca Chanis, Lori Marino
Veterinary Science and Medicine Collection
Cetaceans (dolphins, whales, and porpoises) have a long, dramatically divergent evolutionary history compared with terrestrial mammals. Throughout their 55–60 million years of evolution, cetaceans acquired a compelling set of characteristics that include echolocation ability (in odontocetes), complex auditory and communicative capacities, and complex social organization. Moreover, although cetaceans have not shared a common ancestor with primates for over 90 million years, they possess a set of cognitive attributes that are strikingly convergent with those of many primates, including great apes and humans. In contrast, cetaceans have evolved a highly unusual combination of neurobiological features different from that of primates. As …
Range Expansion By Moose Into Coastal Temperate Rainforests Of British Columbia, Canada, C. T. Darimont, P. C. Paquet, T. E. Reimchen, V. Crichton
Range Expansion By Moose Into Coastal Temperate Rainforests Of British Columbia, Canada, C. T. Darimont, P. C. Paquet, T. E. Reimchen, V. Crichton
Biogeography and Ecological Opportunity Collection
Ranges of species are dynamic and respond to long-term climate change and contemporary effects such as habitat modification. We report here that moose (Alces alces) have recently colonized coastal temperate rainforests of British Columbia, Canada. Contrary to recent publications, field observations of moose and their sign, combined with their occurrence in wolf (Canis lupus) faeces, suggest that moose are now widespread on the coastal mainland and occur on least three islands. Traditional ecological knowledge (information accumulated by aboriginal peoples about their environment) suggests that colonization occurred during the mid 1900s, concomitant with logging of major watersheds that bisect the Coast …
Big Brains Do Matter In New Environments, Lori Marino
Big Brains Do Matter In New Environments, Lori Marino
Evolutionary Biology Collection
No abstract provided.
Facts From Faeces: Prey Remains In Wolf, Canis Lupus, Faeces Revise Occurrence Records For Mammals Of British Columbia’S Coastal Archipelago, Michael H. H. Price, Chris T. Darimont, Neville N. Winchester, Paul C. Paquet
Facts From Faeces: Prey Remains In Wolf, Canis Lupus, Faeces Revise Occurrence Records For Mammals Of British Columbia’S Coastal Archipelago, Michael H. H. Price, Chris T. Darimont, Neville N. Winchester, Paul C. Paquet
Biogeography and Ecological Opportunity Collection
Archipelagos often harbour taxa that are endemic and vulnerable to disturbance. Conservation planning and research for these areas depend fundamentally on accurate and current taxonomic inventories. Although basic ecological information is in its infancy, the temperate rainforest islands of coastal British Columbia are undergoing rapid human-caused modification, particularly logging. We report herein new mammal records for these islands as determined by prey remains in the faeces of Wolves (Canis lupus), the area’s apex mammalian terrestrial predator. Of particular interest is our detection of Marten (Martes americana) on islands previously inventoried and island occupancy by Moose (Alces alces), which have apparently …
Dogs And Dog Control In Developing Countries, J. F. Reese
Dogs And Dog Control In Developing Countries, J. F. Reese
State of the Animals 2005
The relationship between a community and its dogs is not always entirely positive, and many cultures identify similar problems associated with having dogs in their midst. For example, in South Africa, the Soweto community identified the problems caused by dogs as road accidents, barking and fighting, biting children and killing livestock, and uncontrolled fecal contamination (Beck 2000). Such problems exist in many cultures, throughout the developed and developing worlds.
It is against this background of a wide range of man-dog relationships that dogs in the developing world must be seen and understood. Knowledge about and understanding of the complexity of …
Feral Cats: An Overview, Margaret R. Slater, Stephanie Shain
Feral Cats: An Overview, Margaret R. Slater, Stephanie Shain
State of the Animals 2005
Humans and cats have a long and complex history together. Since the nineteenth century, contradictory ideas about the need to protect and care for cats have moved us toward a shift in ideas, values, and behaviors to a more benign perception of cats than was generally the case in previous centuries. In some quarters, but not all, even feral cats have begun to be seen as worthy of our study and humane treatment. In many countries, the welfare of all cats has become a focus of public concern, but nowhere is the shift in values reflected more than in the …
Indoor Cats, Scratching, And The Debate Over Declawing: When Normal Pet Behavior Becomes A Problem, Katherine C. (Kasey) Grier, Nancy Peterson
Indoor Cats, Scratching, And The Debate Over Declawing: When Normal Pet Behavior Becomes A Problem, Katherine C. (Kasey) Grier, Nancy Peterson
State of the Animals 2005
When pet animals share our living spaces, their needs and natural behaviors sometimes are at odds with the varying standards for household appearance, sanitation, and polite social life that Americans have established over time. How pet owners have resolved these issues provides insight into their changing ideas about the role of animals in their households and suggests how much, or how little, people may actually know about the biological behaviors and psychological needs of the creatures they care for. This essay examines one particular issue associated with the problem of sharing spaces: declawing pet cats as a common solution to …
Competition Between Marine Mammals And Fisheries: Food For Thought, Kristin Kaschner, Daniel Pauly
Competition Between Marine Mammals And Fisheries: Food For Thought, Kristin Kaschner, Daniel Pauly
State of the Animals 2005
Marine mammals and humans have co-existed on this planet for several hundred thousand years. Both rely heavily on the exploitation of marine resources, though whales, dolphins, and pinnipeds have been doing so for much longer, roaming the oceans for millions of years, long before the emergence of modern humans (Hoelzel 2002). It is not surprising that, when there is a “new kid on the block,” co-existence is not always very peaceful, and many of the encounters between humans and marine mammals result in a variety of conflicts.