Results 21 to 30 of about 881 (138)

A mitogenomic timetree for Darwin’s enigmatic South American mammal Macrauchenia patachonica

open access: yesNature Communications, 2017
Classification of the extinct South American native ungulates (SANUs) has posed a challenge given the absence of close, surviving relatives. Here, Westburyet al.
Michael Westbury   +20 more
doaj   +1 more source

Ancient proteins resolve the evolutionary history of Darwin’s South American ungulates [PDF]

open access: yes, 2021
No large group of recently extinct placental mammals remains as evolutionarily cryptic as the approximately 280 genera grouped as 'South American native ungulates'.
Gelfo, Javier Nicolás   +1 more
core  

New remains and paleoecology of uruguaytheriine astrapotheres (Mammalia) from the Middle Miocene of Bolivia [PDF]

open access: yesActa Palaeontologica Polonica
Astrapotheres (Astrapotheria) are an order of South American native ungulates (SANUs), and the geologically youngest astrapotheres belong to the subfamily Uruguaytheriinae (Astrapotheriidae).
Julia Van Orman   +5 more
doaj   +1 more source

A mitogenomic timetree for Darwin’s enigmatic South American mammal Macrauchenia patachonica [PDF]

open access: yes, 2019
The unusual mix of morphological traits displayed by extinct South American native ungulates (SANUs) confounded both Charles Darwin, who first discovered them, and Richard Owen, who tried to resolve their relationships.
Kramarz, Alejandro   +20 more
core   +2 more sources

Possible Coevolution of Vampire Bats (Chiroptera: Phyllostomidae: Desmodus) and Large Xenarthrans (Cingulata, Pilosa) in North America and South America During the Quaternary

open access: yesQuaternary
Vampire bats likely first appeared in South America in the early Miocene (~20 Ma) and evolved to feed upon the blood of native South American mammals of medium to large body size, in particular, xenarthrans–ground sloths, armadillos, pampatheres, and ...
Gary Morgan   +2 more
doaj   +1 more source

Patterns of wild meat and other protein consumption in the periphery of Salonga National Park, Democratic Republic of the Congo

open access: yesPeople and Nature, EarlyView.
Abstract In Central Africa, human activities are severely impacting terrestrial and aquatic wildlife, threatening the food security of millions of people. Accordingly, sustainable use of wildlife is crucial for the nutrition and livelihoods of many rural communities in the region.
Zolo Admettons   +9 more
wiley   +1 more source

Forensic Hydraulic Analysis of Floodplain Connectivity Driven by Historical Beaver Dams in Colorado Headwater Streams

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT As ecosystem engineers, beavers (Castor canadensis) modify river corridor form through dam building. When beavers are removed from a river corridor, their unmaintained dams wash out, altering the stream's hydrologic regime. The assumption that beaver dams increase floodplain connectivity is frequently presumed but has not been directly ...
Kayla Schultz   +4 more
wiley   +1 more source

Cranial morphology and phylogenetic relationships of Trigonostylops wortmani, an Eocene South American native ungulate (Bulletin of the American Museum of Natural History, no. 449)

open access: yes, 2021
183 pages : illustrations (some color) ; 26 cm.In 1933 George G. Simpson described a remarkably complete skull of Trigonostylops, an Eocene South American native ungulate (SANU) whose relationships were, in his mind, quite uncertain.
Kramarz, Alejandro   +5 more
core  

Differences in mammal community response to highway construction across different levels of human land use

open access: yesWildlife Biology, EarlyView.
Worldwide, transportation agencies have been involved in road mitigation efforts to reduce road mortality and promote connectivity of endangered species. Baseline data on how mammals respond to highway construction, however, are rarely collected in road mitigation and monitoring studies, including in the USA.
Thomas J. Yamashita   +4 more
wiley   +1 more source

Spatiotemporal mapping the usable space of free‐roaming equids across the western United States

open access: yesWildlife Society Bulletin, EarlyView.
Identification of the inter‐decadal (2010‐2011) enhancement‐degradation gradients in the usable space for wild equid Herd Management Areas in the Great Basin, USA. Abstract Management of feral equids in the American West is hindered by the lack of a formal habitat map and monitoring system.
Alexander Hernandez   +3 more
wiley   +1 more source

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