Results 71 to 80 of about 50,100 (226)

Regular Exposure to Cowbells Affects the Behavioral Reactivity to a Noise Stimulus in Dairy Cows

open access: yesFrontiers in Veterinary Science, 2017
In alpine regions, cows are often equipped with bells during pasture season to ensure that farmers can locate them. Constant exposure to the chime of a bell may affect cows’ acoustic perception in general. The aim of this study is to test whether routine
Julia Johns   +7 more
doaj   +1 more source

Modeling Skin Mark Temporal Variations to Estimate the Sex of Delphinids with Low Sexual Dimorphism: Implications for Management and Conservation

open access: yesIntegrative Zoology, EarlyView.
This work aimed to apply the principles of skin mark analysis to a cetacean species to build a sex‐discrimination model exclusively based on photographic material. Relevant differences between sexes emerged in markings, with males presenting more social, aggression‐related, and fishing‐related marks overall, and a stronger tendency of mark accumulation
Alice Turchi   +7 more
wiley   +1 more source

Fish welfare in a changing world: New developments and current challenges

open access: yesJournal of Fish Biology, EarlyView.
Abstract The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford ...
Sonia Rey Planellas   +16 more
wiley   +1 more source

Carnivory in Adult Female Eumenid Wasps (Hymenoptera: Vespidae: Eumeninae) and Its Effect on Egg Production [PDF]

open access: yes, 2017
Seventy captive adult female wasps of the eumenid genera Ancistrocerus and Euodynerus were observed to feed on multiple prey items. It was shown experimentally that E.
Chilcutt, Charles F, Cowan, David P
core   +3 more sources

Comparative endocranial anatomy in the crocodylians Leidyosuchus canadensis and Stangerochampsa mccabei from the upper Cretaceous of Alberta, Canada

open access: yesJournal of Anatomy, EarlyView.
Leidyosuchus canadensis and Stangerochampsa mccabei share endocranial features such as posterior projection of a neurovascular canal in the maxilla and a paratympanic sinus system most similar to those of small‐bodied and young extant crocodylians, suggesting that these pedomorphic features may reflect the ancestral crocodylian condition.
G. Donzé   +4 more
wiley   +1 more source

A pilot study of two Lower Danube sturgeon species offspring diversity in a feeding area community

open access: yesScientific Annals of the Danube Delta Institute, 2017
Current knowledge about sturgeon behavior is incomplete and certain aspects of it are completely unknown, despite tremendous conservation efforts. This paper describes aspects of annual recruitment, fitness distribution and genetic diversity of the ...
IANI Marian   +5 more
doaj  

The Form of Agency

open access: yesNoûs, EarlyView.
ABSTRACT Philosophers often think agency is essentially connected with rationality, intention, or control. However, Minimalists argue that agency is just the power to cause a change; acids and boulders are agents too. Many philosophers treat Minimalism as a wild outlier, assuming its falsity without argument.
William Hornett
wiley   +1 more source

Toward a Bio-Ethological 4E Linguistics: Language as Life in Mind and Behavior

open access: yesBiolinguistics
This article proposes a theoretical framework for a Bio-Ethological 4E Linguistics that integrates ethology, biolinguistics, and embodied cognition within a single biological continuum.
Bernd Bierl
doaj   +1 more source

La etología como herramienta para la conservación de fauna silvestre

open access: yesRevista Colombiana de Ciencia Animal Recia, 2016
The origins of ethology as a discipline are explained and is a proof of the Darwinian theory of the action of natural selection leading to the adaptive strategies that allow survival of living organisms.
ALCIDES SAMPEDRO MARÍN
doaj   +1 more source

Turbidity weakens selection for assortment in body size in groups [PDF]

open access: yes, 2015
Prey animals commonly associate with similar-looking individuals to reduce predation risk, via a reduction in predator targeting accuracy (the confusion effect) and preferential targeting of distinct individuals (the oddity effect).
Kimbell, Helen S., Morrell, Lesley J.
core   +1 more source

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