نتایج جستجو برای: canidae

تعداد نتایج: 719  

2011
Sergio Bermúdez

Objetive. To determine the distribution of ectoparasites in dogs in Panama. Materials and methods. There were surveyed 720 canines belonging to 57 communities. Results. The results showed that 84% of the dogs were infested with at least one species of ectoparasite. Dogs from lowlands showed a higher percentage of parasitism and a greater biodiversity of parasites than dogs from highlands. There...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2016
L M Tiepolo J Quadros M R P L Pitman

We report six new occurrence records of the bush dog Speothos venaticus, a widely distributed South American carnivore that is threatened with extinction. These records are accompanied by notes on the places where the records were made, such as vegetation type, date and information about the protection of areas. The records, obtained over the last 17 years in Paraná state, southern Brazil, offe...

2018
Marcus A Mueller David Drake Maximilian L Allen

Urban environments are increasing worldwide and are inherently different than their rural counterparts, with a variety of effects on wildlife due to human presence, increased habitat fragmentation, movement barriers, and access to anthropogenic food sources. Effective management of urban wildlife requires an understanding of how urbanization affects their behavior and ecology. The spatial activ...

2004
Deborah A. Randall Stuart D. Williams Ivan V. Kuzmin Charles E. Rupprecht Lucy A. Tallents Zelealem Tefera Kifle Argaw Fekadu Shiferaw Darryn L. Knobel Claudio Sillero-Zubiri M. Karen Laurenson

With rabies emerging as a particular threat to wild canids, we report on a rabies outbreak in a subpopulation of endangered Ethiopian wolves in the Bale Mountains, Ethiopia, in 2003 and 2004. Parenteral vaccination of wolves was used to manage the outbreak.

Journal: :Science 1977
M Bekoff

The variability in the duration and form of the canid play bow was studied in infant coyotes, wolves, wolf-dog hybrids, beagles, and adult free-ranging dogs. Both duration and form showed marked stereotypy. It appears that the role of this context-specific social signal in the communication of play intention has been fostered by selection for "morphological" stereotypy.

Journal: :Journal of human evolution 2006
A Clark Arcadi

Morphological and genetic analyses have yet to resolve the question of whether more than one species of Homo existed contemporaneously in the Pleistocene. In an effort to contribute a process-related perspective to hominid phylogenetic reconstruction, this paper uses an analogy to the northern wolf-like canids (the wolves and coyotes) to ask the question, How many Homo species should there be, ...

Journal: :Annals of tropical medicine and parasitology 2003
R Molina L Gradoni J Alvar

In many countries, Leishmania/HIV co-infection is now changing the epidemiology of visceral leishmaniasis. The levels of transmission of the parasites causing such leishmaniasis were previously dependent on the conventional zoonotic cycle, in which sandflies transmitted the parasites from infected canids to other canids or humans. The co-infection, however, has led not only to marked increases ...

Journal: :Behavioural processes 2009
Svetlana S Gogoleva Ilya A Volodin Elena V Volodina Anastasia V Kharlamova Lyudmila N Trut

The genetic basis of the effects of domestication has previously been examined in relation to morphological, physiological and behavioural traits, but not for vocalizations. According to Belyaev [Belyaev, D.K., 1979. Destabilizing selection as a factor in domestication. J. Hered. 70, 301-308], directional selection for tame behaviour toward humans resulted in domestication. This hypothesis has ...

Journal: :Proceedings. Biological sciences 2004
Dinesh K Sharma Jesus E Maldonado Yadrendradev V Jhala Robert C Fleischer

All previously obtained wolf (Canis lupus) and dog (Canis familiaris) mitochondrial (mt) DNA sequences fall within an intertwined and shallow clade (the 'wolf-dog' clade). We sequenced mtDNA of recent and historical samples from 45 wolves from throughout lowland peninsular India and 23 wolves from the Himalayas and Tibetan Plateau and compared these sequences with all available wolf and dog seq...

Journal: :Integrative zoology 2009
Paul Evangelista Richard Engeman Lucy Tallents

The endangered Ethiopian wolf is considered the rarest canid in Africa. The species faces many threats and is particularly vulnerable to diseases such as rabies. A simple, low-technology means to monitor populations would greatly facilitate conservation efforts, through early detection of population changes and behavior, and signaling a need for intervention. We tested a passive tracking index ...

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