Results 11 to 20 of about 1,694,874 (301)

The first hominin from the early Pleistocene paleocave of Haasgat, South Africa [PDF]

open access: yesPeerJ, 2016
Haasgat is a primate-rich fossil locality in the northeastern part of the Fossil Hominid Sites of South Africa UNESCO World Heritage Site. Here we report the first hominin identified from Haasgat, a partial maxillary molar (HGT 500), that was recovered ...
AB Leece   +7 more
doaj   +2 more sources

Fossil and subfossil birds of Brazil [PDF]

open access: yesZoologia (Curitiba)
: The study of fossil and subfossil birds in Brazil is still in its early stages despite its relatively abundant material. The remains are represented by bones, feathers, mummified specimens, eggs, coprolites, pellets, and tracks found in all Regions of ...
Rafael S. Nascimento   +1 more
doaj   +1 more source

Deep divergence of Red-crowned Ant Tanager (Habia rubica: Cardinalidae), a multilocus phylogenetic analysis with emphasis in Mesoamerica [PDF]

open access: yesPeerJ, 2018
Many neotropical species have a complex history of diversification as a result of the influence of geographical, ecological, climatic, and geological factors that determine the distribution of populations within a lineage.
Sandra M. Ramírez-Barrera   +3 more
doaj   +2 more sources

Rainy cycles in South America as a driver for the breeding of the Black Skimmer (Rynchops niger) and the Large-billed Tern (Phaetusa simplex) (Aves, Charadriiformes)

open access: yesPapéis Avulsos de Zoologia, 2023
The Black Skimmer (Rynchops niger) and the Large-billed Tern (Phaetusa simplex) are two migratory waterbirds that breed simultaneously on many river beaches in South America.
Ariane Campos Gouvêa   +4 more
doaj   +1 more source

Dispersal pathways and genetic differentiation among worldwide populations of the invasive weed Centaurea solstitialis L. (Asteraceae). [PDF]

open access: yesPLoS ONE, 2014
The natural history of introduced species is often unclear due to a lack of historical records. Even when historical information is readily available, important factors of the invasions such as genetic bottlenecks, hybridization, historical relationships
Renée L Eriksen   +9 more
doaj   +1 more source

Susceptibility and Injury of Some Hybrid Walnuts by the Butternut Curculio (Coleoptera: Curculionidae) [PDF]

open access: yes, 2017
The butternut curculio, Conotrachelus juglandis LeConte (Coleoptera: Curculionidae), injures the shoots and nuts of various species and hybrids of Juglans in eastern North America.
Corneil, Jeffrey A   +2 more
core   +2 more sources

Life History of the Butternut Curculio, \u3ci\u3eConotrachelus Juglandis\u3c/i\u3e (Coleoptera: Curculionidae), in Michigan [PDF]

open access: yes, 2017
(excerpt) The butternut curculio, Conotrachelus juglandis LeConte (Coleoptera: Curculionidae), injures the shoots and nuts of various species and hybrids of Juglans in eastern North America This insect was described in 1876 (LeConte, 1876); its life ...
Corneil, Jeffrey A, Wilson, Louis F
core   +2 more sources

Evolutionary history of partible paternity in lowland South America [PDF]

open access: yesProceedings of the National Academy of Sciences, 2010
Partible paternity, the conception belief that more than one man can contribute to the formation of a fetus, is common in lowland South America and characterized by nonexclusive mating relationships and various institutionalized forms of recognition and investment by multiple cofathers.
Robert S, Walker   +2 more
openaire   +2 more sources

Classification and phylogeny of Amaryllidaceae, the modern synthesis and the road ahead: a review

open access: yesBoletín de la Sociedad Argentina de Botánica, 2023
The classification and phylogenetic history of the Amaryllidaceae is reviewed since the dawn of molecular systematics in the 1990’s. The family is now recognized as comprising three subfamilies: Agapanthoideae, Allioideae, and Amaryllidoideae, of which ...
Alan Meerow
doaj   +5 more sources

THE NAVAL CAMPAIGN IN THE WAR OF THE PACIFIC 1879-1884

open access: yesScientia Militaria, 2012
South Africa and Chile have always had close military and diplomatic ties butcomparatively little is known in South Africa about Chilean military history. Chile'snaval history in particular is most interesting and as obviously in the 18th centurythe only
I.C. Little
doaj   +1 more source

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