Results 111 to 120 of about 105,017 (351)

Diet of bird‐like troodontid dinosaurs: synthesis of a contentious clade

open access: yesBiological Reviews, EarlyView.
ABSTRACT Troodontidae is a clade of small‐to medium‐sized maniraptoran theropods that mainly lived in Laurasia (modern Asia, North America and Europe) during the Jurassic and Cretaceous periods and are believed to have had a variety of diets. The uniqueness of troodontid teeth suggests that they diverged from the typical flesh‐based diet of non‐avian ...
Yui Chi Fan   +2 more
wiley   +1 more source

Landscape‐level habitat connectivity of large mammals in Chitwan Annapurna Landscape, Nepal

open access: yesEcology and Evolution
The populations of many species of large mammals occur in small isolated and fragmented habitat patches in the human‐dominated landscape. Maintenance of habitat connectivity in the fragmented landscapes is important for maintaining a healthy population ...
Jagan Nath Adhikari   +3 more
doaj   +1 more source

Individualised niches: an integrative conceptual framework across behaviour, ecology, and evolution

open access: yesBiological Reviews, EarlyView.
ABSTRACT Individuals differ. While seemingly trivial, this insight has nevertheless led to paradigm shifts, as three key fields of organismal biology have seen marked changes in key concepts over the past few decades. In animal behaviour, it has become increasingly recognised that behavioural differences among individuals can be stable over time and ...
Oliver Krüger   +27 more
wiley   +1 more source

Anatomical description of the salivary glands: parotid, mandibular and sublingual of the crab-eating-fox (Cerdocyon thous)

open access: yesActa Scientiarum: Biological Sciences, 2018
  Descriptive anatomical studies of wild animals are fundamental, since they provide subsidies for the elaboration of more adequate techniques of sustained management, contributing to the preservation of species threatened with extinction. Thus, the aim
Thiago Scremin Boscolo Pereira   +1 more
doaj   +1 more source

Anadromous fish as marine nutrient vectors [PDF]

open access: yes, 2009
The tidal freshwater of Virginia supports anadromous herring (Alosa spp.) spawning runs in the spring; however, their importance as nutrient delivery vectors to the freshwater fish food web remains unknown.
Garman, Greg C.   +2 more
core  

Counting cases, conserving species: addressing highly pathogenic avian influenza in wildlife

open access: yesBiological Reviews, EarlyView.
ABSTRACT Highly pathogenic avian influenza (HPAI) has become a critical threat to wildlife, shifting from a seasonal epizootic to a persistent, year‐round panzootic with global consequences. Here, we summarise the origin, evolutionary mechanisms, and expanding host range of the current H5N1 virus (clade 2.3.4.4b) and assess its impact on wildlife. Over
Ulrich Knief   +4 more
wiley   +1 more source

An evaluation of hunter surveys to monitor relative abundance of bobcats

open access: yesWildlife Society Bulletin, 2016
We examined the utility of bobcat (Lynx rufus) detections by deer hunters in New Hampshire, USA, as an index of relative abundance. To validate the index, we compared the number of hunter outings that detected bobcats per 1,000 outings (hunting seasons ...
Tyler J. Mahard   +4 more
doaj   +1 more source

Diet Analysis for Wildlife Management: Protecting the Cheetah in Namibia [PDF]

open access: yes, 2015
I spent the summer of 2014 in the genetics laboratory of the Cheetah Conservation Fund (CCF) in Namibia, Africa, to learn about the diets of the carnivores in the surrounding conservancy.
Walsh, Alicia
core   +2 more sources

Utterance evolution: the road to generative, combinatorial communicators

open access: yesBiological Reviews, EarlyView.
ABSTRACT Language has long been considered uniquely complex in the animal kingdom; however, animal research over the last decade has begun to challenge some long‐standing premises about exactly which language capacities are uniquely human. The task of resolving why and how complex communication systems evolve, particularly human language, has ...
Catherine Crockford   +2 more
wiley   +1 more source

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