Results 61 to 70 of about 967,023 (260)

Impact of carnivory on human development and evolution revealed by a new unifying model of weaning in mammals [PDF]

open access: yes, 2012
Our large brain, long life span and high fertility are key elements of human evolutionary success and are often thought to have evolved in interplay with tool use, carnivory and hunting.
Psouni, Elia   +11 more
core   +1 more source

Model sensitivity limits attribution of greenhouse gas emissions to polar bear demographic rates

open access: yesScientific Reports
Greenhouse gas emissions continue to increase and negatively affect sea ice conditions that polar bears rely on. It is therefore important to better understand how specific emissions levels affect polar bear demography.
Ryan R. Wilson, Erik M. Andersen
doaj   +1 more source

) in Human Care

open access: yes, 2005
Play-fighting is common in many mammals, especially among juveniles and subadults, providing a safe opportunity to practice behaviours important in adult life.
Christer Blomqvist   +5 more
core   +1 more source

Herpesvirus Infection in a Breeding Population of Two Coexisting Strix Owls

open access: yesAnimals, 2021
Birds are a frequent host of a large variety of herpesviruses, and infections in them may go unnoticed or may result in fatal disease. In wild breeding populations of owls, there is very limited information about the presence, impact, and potential ...
Zoran Žlabravec   +5 more
doaj   +1 more source

The functional roles of mammals in ecosystems

open access: yesJournal of Mammalogy, 2019
The diverse functional roles of over 6,000 species of extant mammals that range in body size across eight orders of magnitude, from blue whales (Balaenoptera musculus) to tiny Etruscan shrews (Suncus etruscus), contribute to shaping Earth's ecosystems ...
T. Lacher   +7 more
semanticscholar   +1 more source

A digital acoustic recording tag for measuring the response of wild marine mammals to sound

open access: yes, 2003
Definitive studies on the response of marine mammals to anthropogenic sound are hampered by the short surface time and deep-diving lifestyle of many species.
Johnson, Mark   +5 more
core   +1 more source

Characteristic of complete mitochondrial genome and phylogenetic status of a muskrat, Ondatra zibethicus (Rodentia: Cricetidae) in South Korea

open access: yesMitochondrial DNA. Part B. Resources, 2020
The complete mitochondrial genome of Muskrat, Ondatra zibethicus (Rodentia: Cricetidae) in Korea was sequenced for the first time using the next-generation sequencing method to understand its evolutionary relationship and to be helpful to establish a ...
Young-Chae Kim   +7 more
doaj   +1 more source

Genotypes of Cryptosporidium Species Infecting Fur-Bearing Mammals Differ from Those of Species Infecting Humans

open access: yes, 2004
Of 471 specimens examined from foxes, raccoons, muskrats, otters, and beavers living in wetlands adjacent to the Chesapeake Bay, 36 were positive for five types of Cryptosporidium, including the C.
Schaefer, F.W.   +11 more
core   +1 more source

Protein Arginine Methylation in Mammals: Who, What, and Why

open access: yesMolecules and Cells, 2009
The covalent marking of proteins by methyl group addition to arginine residues can promote their recognition by binding partners or can modulate their biological activity.
M. Bedford, S. Clarke
semanticscholar   +1 more source

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