Results 101 to 110 of about 2,172 (199)

Comparative mortality levels among selected species of captive animals [PDF]

We present life tables by single year of age and sex for groups of animals and for 42 individual mostly mammalian species. Data are derived from the International Species Information System. The survivorship of most of these species has never been mapped
Iliana V. Kohler, Laurie Bingaman Lackey, Samuel Preston   +2 more
core  

The fossil record of South American short-faced bears (Ursidae, Tremarctinae) [PDF]

, 2005
The present study includes a review of the geographic and stratigraphic distribution of short-faced bears (Ursidae, Tremarctinae) in South America.
Bond, Mariano, Soibelzon, Leopoldo Héctor, Tonni, Eduardo Pedro   +2 more
core   +1 more source

Viabilidad poblacional del oso andino (Tremarctos ornatus) en un escenario de cacería y pérdida de hábitat

Revista Mexicana de Biodiversidad
El oso andino es la única especie de oso que habita Sudamérica; su población se reduce principalmente por pérdida de hábitat y cacería debido a la interacción humano-oso andino.
Willy Maldonado
doaj   +1 more source

Body size and vocalization in primates and carnivores [PDF]

, 2017
A fundamental assumption in bioacoustics is that large animals tend to produce vocalizations with lower frequencies than small animals. This inverse relationship between body size and vocalization frequencies is widely considered to be foundational in ...
A Asquith, B Bogin, B Gingras, BD Charlton, BK Sullivan, C Arnold, D Rendall, D Wallschläger, DA Puts, DL Bowling, E Paradis, ES Morton, J Felsenstein, JC Dunn, K Hammerschmidt, M Garcia, MA Schön, MD Hauser, ML Hall, NB Davies, NH Fletcher, R Patel, R Schneider, S Evans, T Isobe, WT Fitch, WT Fitch   +26 more
core   +1 more source

Evolution and biogeography of mammals [PDF]

, 2010
U ovom radu sam pisala o biogeografiji i o novim saznanjima na području evolucije sisavaca. Znanstvenici su dali mnoge odgovore ali je ostalo još dosta bitnih i neriješenih pitanja vezanih za njihovu evoluciju.
Vlajčić, Mila
core   +2 more sources

Entrenamiento básico de aves rapaces en el Estado de Oaxaca, Méx. [PDF]

, 1905
Las causas antrópicas como la caza ilegal, cambios en el uso de suelo, tala de árboles, contaminación y las quemas sin control impiden que muchos animales puedan vivir y encontrar un lugar viable para reproducirse.
Fuentes Mascorro, Gisela, Miranda Escamilla, Samantha Sharon Vanessa, Torres Velazquez, María Aurora   +2 more
core  

Inferring palaeoecology in extinct tremarctine bears (Carnivora, Ursidae) using geometric morphometrics [PDF]

, 2009
In this study we explore the ecomorphological patterns of extinct tremarctine bears in South America during the Great American Biotic Interchange (GABI).
Figueirido, Borja, Soibelzon, Leopoldo Héctor   +1 more
core   +2 more sources

New mammalian records in the Parque Nacional Cerros de Amotape, northwestern Peru

Revista Peruana de Biología, 2015
The Pacific Tropical Rainforest and Equatorial Dry Forest are found only in southern Ecuador and northern Peru, and are among the most poorly known ecosystems of South America. Even though these forests are protected in Parque Nacional Cerros de Amotape (
Cindy M. Hurtado, Víctor Pacheco
doaj   +1 more source

Mammalian carnivore occupancy is inversely related to presence of domestic dogs in the high Andes of Ecuador.

PLoS ONE, 2018
Although the Andes have long been occupied by people, habitat loss, fragmentation through deforestation, and other human activities such as introduction of invasive species have increased drastically during the past century.
Galo Zapata-Ríos, Lyn C Branch
doaj   +1 more source

Integrating MaxEnt and InVEST modeling methods to identify priority areas for the conservation of emblematic and endemic wildlife in the Peruvian Tropical Andes

Global Ecology and Conservation
The habitat of emblematic and endemic species in the Tropical Andes of Peru is particularly vulnerable to environmental degradation due to anthropogenic activities.
Gerson Meza-Mori, Shekoufeh Nematollahi, Carlos A. Amasifuen Guerra, Manuel Oliva-Cruz, Elver Coronel-Castro, Cristóbal Torres Guzmán, Asef Darvishi   +6 more
doaj   +1 more source