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Mammal Abundances and Seed Traits Control the Seed Dispersal and Predation Roles of Terrestrial Mammals in a Costa Rican Forest
BIOTROPICA 45(3): 333–342 2013 10.1111/btp.12014 Mammal Abundances and Seed Traits Control the Seed Dispersal and Predation Roles of Terrestrial Mammals in a Costa Rican Forest Erin K. Kuprewicz1 Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, U.S.A. ABSTRACT In Neotropical forests, mammals act as seed dispersers and predators. To prevent seed predation and promote dispersal, seeds exhibit physical or chemical defenses. Collared peccaries (Pecari tajacu) cannot eat some hard seeds, but can digest chemically defended seeds. Central American agoutis (Dasyprocta punctata) gnaw through hard-walled seeds, but cannot consume chemically defended seeds. The objectives of this study were to determine relative peccary and agouti abundances within a lowland forest in Costa Rica and to assess how these two mammals affect the survival of large seeds that have no defenses (Iriartea deltoidea, Socratea exorrhiza), physical defenses (Astrocaryum alatum, Dipteryx panamensis), or chemical defenses (Mucuna holtonii) against seed predators. Mammal abundances were deter- mined over 3 yrs from open-access motion-detecting camera trap photos. Using semi-permeable mammal exclosures and thread-marked seeds, predation and dispersal by mammals for each seed species were quantified. Abundances of peccaries were up to six times higher than those of agoutis over 3 yrs, but neither peccary nor agouti abundances differed across years. Seeds of A. alatum were predomi- nantly dispersed by peccaries, which did not eat A. alatum seeds, whereas non-defended and chemically defended seeds suffered high levels of predation, mostly by peccaries. Agoutis did not eat M. holtonii seeds. Peccaries and agoutis did not differ in the distances they dispersed seeds. -
Reveals That Glyptodonts Evolved from Eocene Armadillos
Molecular Ecology (2016) 25, 3499–3508 doi: 10.1111/mec.13695 Ancient DNA from the extinct South American giant glyptodont Doedicurus sp. (Xenarthra: Glyptodontidae) reveals that glyptodonts evolved from Eocene armadillos KIEREN J. MITCHELL,* AGUSTIN SCANFERLA,† ESTEBAN SOIBELZON,‡ RICARDO BONINI,‡ JAVIER OCHOA§ and ALAN COOPER* *Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, SA 5005, Australia, †CONICET-Instituto de Bio y Geociencias del NOA (IBIGEO), 9 de Julio No 14 (A4405BBB), Rosario de Lerma, Salta, Argentina, ‡Division Paleontologıa de Vertebrados, Facultad de Ciencias Naturales y Museo (UNLP), CONICET, Museo de La Plata, Paseo del Bosque, La Plata, Buenos Aires 1900, Argentina, §Museo Arqueologico e Historico Regional ‘Florentino Ameghino’, Int De Buono y San Pedro, Rıo Tercero, Cordoba X5850, Argentina Abstract Glyptodonts were giant (some of them up to ~2400 kg), heavily armoured relatives of living armadillos, which became extinct during the Late Pleistocene/early Holocene alongside much of the South American megafauna. Although glyptodonts were an important component of Cenozoic South American faunas, their early evolution and phylogenetic affinities within the order Cingulata (armoured New World placental mammals) remain controversial. In this study, we used hybridization enrichment and high-throughput sequencing to obtain a partial mitochondrial genome from Doedicurus sp., the largest (1.5 m tall, and 4 m long) and one of the last surviving glyptodonts. Our molecular phylogenetic analyses revealed that glyptodonts fall within the diver- sity of living armadillos. Reanalysis of morphological data using a molecular ‘back- bone constraint’ revealed several morphological characters that supported a close relationship between glyptodonts and the tiny extant fairy armadillos (Chlamyphori- nae). -
Xenarthrans: 'Aliens'
Vet Times The website for the veterinary profession https://www.vettimes.co.uk XENARTHRANS: ‘ALIENS’ ON EARTH Author : JONATHAN CRACKNELL Categories : Vets Date : August 4, 2008 JONATHAN CRACKNELL finds that hanging around with sloths and their fellow Xenarthrans offers up exciting challenges XENARTHRANS: the name sounds like a race from a low-budget science fiction film. This is actually a super-order of mammals that get their name from their “alien” joint, which is exhibited in the vertebral joints. The Xenarthrans include 31 living species: six species of sloth, four anteaters and 21 species of armadillos – all of which originated in South America. Historically, these animals were classified within the order Edentata (meaning “without teeth”), which included pangolins and aardvarks. It was realised that this was a polyphyletic group, containing unrelated families. Therefore, the Xenarthra order was created. The Xenarthrans are a well-represented order in captivity, with banded armadillos (Dasypus novemcinctus) becoming one of the new “exotic” exotics to be presented to clinicians. In zoological collections, giant anteaters (Myrmecophaga tridactyla), southern tamanduas (Tamandua tetradactyla), and sloths (typically the southern two-toed sloth – Choloepus didactylus – although others are present) are among the more common species housed in captivity. Every species has its own needs and oddities. With this brief review of each species, the author will look at basic anatomy and physiology, along with a quick review of some of the more commonly reported complaints for this group of animals. 1 / 14 Giant anteater The giant anteater’s most obvious feature is its long tongue and bushy tail. They are approximately 1.5 to two metres long and weigh in the region of 18kg to 45kg. -
Diets of Howler Monkeys
Chapter 2 Diets of Howler Monkeys Pedro Américo D. Dias and Ariadna Rangel-Negrín Abstract Based on a bibliographical review, we examined the diets of howler mon- keys to compile a comprehensive overview of their food resources and document dietary diversity. Additionally, we analyzed the effects of rainfall, group size, and forest size on dietary variation. Howlers eat nearly all available plant parts in their habitats. Time dedicated to the consumption of different food types varies among species and populations, such that feeding behavior can range from high folivory to high frugivory. Overall, howlers were found to use at least 1,165 plant species, belonging to 479 genera and 111 families as food sources. Similarity in the use of plant taxa as food sources (assessed with the Jaccard index) is higher within than between howler species, although variation in similarity is higher within species. Rainfall patterns, group size, and forest size affect several dimensions of the dietary habits of howlers, such that, for instance, the degree of frugivory increases with increased rainfall and habitat size, but decreases with increasing group size in groups that live in more productive habitats. Moreover, the range of variation in dietary habits correlates positively with variation in rainfall, suggesting that some howler species are habitat generalists and have more variable diets, whereas others are habi- tat specialists and tend to concentrate their diets on certain plant parts. Our results highlight the high degree of dietary fl exibility demonstrated by the genus Alouatta and provide new insights for future research on howler foraging strategies. Resumen Con base en una revisión bibliográfi ca, examinamos las dietas de los monos aulladores para describir exhaustivamente sus recursos alimenticios y la diversidad de su dieta. -
On Birds of Santander-Bio Expeditions, Quantifying The
Facultad de Ciencias ACTA BIOLÓGICA COLOMBIANA Departamento de Biología http://www.revistas.unal.edu.co/index.php/actabiol Sede Bogotá ARTÍCULO DE INVESTIGACIÓN / RESEARCH ARTICLE ZOOLOGÍA ON BIRDS OF SANTANDER-BIO EXPEDITIONS, QUANTIFYING THE COST OF COLLECTING VOUCHER SPECIMENS IN COLOMBIA Sobre las aves de las expediciones Santander-Bio, cuantificando el costo de colectar especímenes en Colombia Enrique ARBELÁEZ-CORTÉS1 *, Daniela VILLAMIZAR-ESCALANTE1 , Fernando RONDÓN-GONZÁLEZ2 1Grupo de Estudios en Biodiversidad, Escuela de Biología, Universidad Industrial de Santander, Carrera 27 Calle 9, Bucaramanga, Santander, Colombia. 2Grupo de Investigación en Microbiología y Genética, Escuela de Biología, Universidad Industrial de Santander, Carrera 27 Calle 9, Bucaramanga, Santander, Colombia. *For correspondence: [email protected] Received: 23th January 2019, Returned for revision: 26th March 2019, Accepted: 06th May 2019. Associate Editor: Diego Santiago-Alarcón. Citation/Citar este artículo como: Arbeláez-Cortés E, Villamizar-Escalante D, and Rondón-González F. On birds of Santander-Bio Expeditions, quantifying the cost of collecting voucher specimens in Colombia. Acta biol. Colomb. 2020;25(1):37-60. DOI: http://dx.doi.org/10.15446/abc. v25n1.77442 ABSTRACT Several scientific reasons support continuing bird collection in Colombia, a megadiverse country with modest science financing. Despite the recognized value of biological collections for the rigorous study of biodiversity, there is scarce information on the monetary costs of specimens. We present results for three expeditions conducted in Santander (municipalities of Cimitarra, El Carmen de Chucurí, and Santa Barbara), Colombia, during 2018 to collect bird voucher specimens, quantifying the costs of obtaining such material. After a sampling effort of 1290 mist net hours and occasional collection using an airgun, we collected 300 bird voucher specimens, representing 117 species from 30 families. -
Red-Rumped Agouti)
UWI The Online Guide to the Animals of Trinidad and Tobago Behaviour Dasyprocta leporina (Red-rumped Agouti) Family: Dasyproctidae (Agoutis) Order: Rodentia (Rodents) Class: Mammalia (Mammals) Fig. 1. Red-rumped agouti, Dasyprocta leporina. [http://upload.wikimedia.org/wikipedia/commons/3/3b/Dasyprocta.leporina-03-ZOO.Dvur.Kralove.jpg, downloaded 12 November 2012] TRAITS. Formerly Dasyprocta aguti, and also known as the Brazilian agouti and as “Cutia” in Brazil and “Acure” in Venezuela. The average Dasyprocta leporina weighs approximately between 3 kg and 6 kg with a body length of about 49-64 cm. They are medium sized caviomorph rodents (Wilson and Reeder, 2005) with brown fur consisting of darker spots of brown covering their upper body and a white stripe running down the centre of their underside (Eisenberg, 1989). Show sexual dimorphism as the males are usually smaller in size than the females but have a similar appearance (Wilson and Reeder, 2005). Locomotion is quadrupedal. Forefeet have four toes while hind feet (usually longer than forefeet) have 3. Small round ears with short hairless tail not more than 6 cm in length (Dubost 1998). UWI The Online Guide to the Animals of Trinidad and Tobago Behaviour ECOLOGY. Dasyprocta leporina is found in the tropical forests of Trinidad and conserved in the Central Range Wildlife Sanctuary at the headwaters of the Tempuna and Talparo watersheds in central Trinidad (Bacon and Ffrench 1972). They are South American natives and are distributed widely in Venezuela, French Guiana and Amazon forests of Brazil (Asquith et al. 1999; Dubost 1998). Has widespread distribution in the Neotropics (Eisenberg 1989; Emmons and Feer 1997). -
Panthera Onca) Distribution, Density, and Movement in the Brazilian Pantanal
SUNY College of Environmental Science and Forestry Digital Commons @ ESF Dissertations and Theses 6-10-2019 Drivers of jaguar (Panthera onca) distribution, density, and movement in the Brazilian Pantanal Allison Devlin [email protected] Follow this and additional works at: https://digitalcommons.esf.edu/etds Part of the Environmental Monitoring Commons, and the Natural Resources and Conservation Commons Recommended Citation Devlin, Allison, "Drivers of jaguar (Panthera onca) distribution, density, and movement in the Brazilian Pantanal" (2019). Dissertations and Theses. 114. https://digitalcommons.esf.edu/etds/114 This Open Access Dissertation is brought to you for free and open access by Digital Commons @ ESF. It has been accepted for inclusion in Dissertations and Theses by an authorized administrator of Digital Commons @ ESF. For more information, please contact [email protected], [email protected]. DRIVERS OF JAGUAR (PANTHERA ONCA) DISTRIBUTION, DENSITY, AND MOVEMENT IN THE BRAZILIAN PANTANAL by Allison Loretta Devlin A thesis submitted in partial fulfillment of the requirements for the Doctor of Philosophy Degree State University of New York College of Environmental Science and Forestry Syracuse, New York June 2019 Department of Environmental and Forest Biology Approved by: Jacqueline L. Frair, Major Professor Stephen V. Stehman, Chair, Examining Committee James P. Gibbs, Examining Committee Jonathan B. Cohen, Examining Committee Peter G. Crawshaw Jr., Examining Committee Luke T.B. Hunter, Examining Committee Melissa K. Fierke, Department Chair S. Scott Shannon, Dean, The Graduate School © 2019 Copyright A.L. Devlin All rights reserved Acknowledgements I am indebted to many mentors, colleagues, friends, and loved ones whose guidance, support, patience, and constructive challenges have carried this project to its culmination. -
Table of Contents 4.0 Description of the Physical
TABLE OF CONTENTS 4.0 DESCRIPTION OF THE PHYSICAL ENVIRONMENT............................................ 41 4.1 Geology ................................................................................................. 41 4.1.1 Methodology ........................................................................................ 41 4.1.2 Regional Geological Formations........................................................... 42 4.1.3 Local Geological Units ......................................................................... 47 4.1.3.1 Atlantic Coast .......................................................................... 47 4.1.3.2 Gatun Locks.............................................................................. 48 4.1.3.3 Gatun Lake ............................................................................... 49 4.1.3.4 Culebra Cut ......................................................................... ...410 4.1.3.5 Pacific Locks ...........................................................................411 4.1.3.6 Pacific Coast............................................................................412 4.1.4 Paleontological Resources ...................................................................413 4.1.5 Geotechnical Characterization .............................................................417 4.1.6 Tectonics.............................................................................................421 4.2 Geomorphology ..............................................................................................422 -
Mammal List of Mindo Lindo
Mammal list of Mindo Lindo Fam. Didelphidae (Opossums) Didelphis marsupialis, Black-eared/ Common Opossum Fam. Soricidae (Shrews) Cryptotis spec Fam. Myrmecophagidae (Anteaters) Tamandua mexicana, Northern Tamandua Fam. Dasypodidae (Armadillos) Dasypus novemcinctus, Nine-banded Armadillo Fam. Megalonychidae (Two-toed sloths) Choloepus hoffmanni, Hoffmann’s two-toed sloth Fam. Cebidae (Cebid monkeys) Cebus capucinus, White-throated Capuchin Fam. Atelidae (Atelid monkeys) Alouatta palliata, Mantled Howler Fam. Procyonidae (Procyonids) Nasua narica, Coati Potos flavus, Kinkajou Bassaricyon gabbii, Olingo Fam. Mustelidae (Weasel Family) Eira barbara, Tayra Mustela frenata, Long-tailed Weasel Fam. Felidae (Cats) Puma concolor, Puma Felis pardalis, Ozelot Fam. Tayassuidae (Peccaries) Tayassu tajacu, Collared Peccary Fam. Cervidae (Deer Family) Odocoileus virginianus, White-tailed Deer Fam. Sciuridae (Squirrels and Marmots) Sciurus granatensis, Neotropical Red Squirrel Fam. Erethizontidae (Porcupines) Coendou bicolor, Bicolor-spined Porcupine Fam. Dasyproctidae (Agoutis) Dasyprocta punctata, Central American Agouti Fam. Phyllostomatidae (New World Leaf-nosed bats) Carollia brevicauda, Silky short-tailed bat Anoura fistulata, Tube-lipped nectar bat Micronycteris megalotis, Little big-eared bat Fam. Vespertilionidae (Vesper bats) Myotis spec. There are far more mammal species in Mindo Lindo but until now we could not identify them for sure (especially the bats and rodents). Systematics follow: Eisenberg, J.F. & K.H. Redford (1999): Mammals of the Neotropics, vol.3. Various Wikipedia articles as well as from the Handbook of the mammals of the world. . -
Ecology of Guatemalan Howler Monkeys (Alouatta Pigra Lawrence)
University of Montana ScholarWorks at University of Montana Graduate Student Theses, Dissertations, & Professional Papers Graduate School 1980 Ecology of Guatemalan howler monkeys (Alouatta pigra Lawrence) Janene M. Caywood The University of Montana Follow this and additional works at: https://scholarworks.umt.edu/etd Let us know how access to this document benefits ou.y Recommended Citation Caywood, Janene M., "Ecology of Guatemalan howler monkeys (Alouatta pigra Lawrence)" (1980). Graduate Student Theses, Dissertations, & Professional Papers. 7254. https://scholarworks.umt.edu/etd/7254 This Thesis is brought to you for free and open access by the Graduate School at ScholarWorks at University of Montana. It has been accepted for inclusion in Graduate Student Theses, Dissertations, & Professional Papers by an authorized administrator of ScholarWorks at University of Montana. For more information, please contact [email protected]. COPYRIGHT ACT OF 1976 Th is is an unpublished manuscript in which copyright sub s is t s . Any further r e p r in t in g of it s contents must be approved BY THE AUTHOR. MANSFIELD L ibrary Un iv e r s it y of Montana Da t e : 1 9 g 0 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. ECOLOGY OF GUATEMALAN HOWLER MONKEYS (AToutta piqra Lawrence) by Janene M. Caywood B.S., Oregon State University, 1976 Presented in partial fu lfillm e n t of the requirements for the degree of Master of Arts UNIVERSITY OF MONTANA 1980 Approved by: Chairman, Board of E^amfners Dean, Graduate SchTTol a Date Reproduced with permission of the copyright owner. -
Appendix, French Names, Supplement
685 APPENDIX Part 1. Speciesreported from the A.O.U. Check-list area with insufficient evidencefor placementon the main list. Specieson this list havebeen reported (published) as occurring in the geographicarea coveredby this Check-list.However, their occurrenceis considered hypotheticalfor one of more of the following reasons: 1. Physicalevidence for their presence(e.g., specimen,photograph, video-tape, audio- recording)is lacking,of disputedorigin, or unknown.See the Prefacefor furtherdiscussion. 2. The naturaloccurrence (unrestrained by humans)of the speciesis disputed. 3. An introducedpopulation has failed to becomeestablished. 4. Inclusionin previouseditions of the Check-listwas basedexclusively on recordsfrom Greenland, which is now outside the A.O.U. Check-list area. Phoebastria irrorata (Salvin). Waved Albatross. Diornedeairrorata Salvin, 1883, Proc. Zool. Soc. London, p. 430. (Callao Bay, Peru.) This speciesbreeds on Hood Island in the Galapagosand on Isla de la Plata off Ecuador, and rangesat seaalong the coastsof Ecuadorand Peru. A specimenwas takenjust outside the North American area at Octavia Rocks, Colombia, near the Panama-Colombiaboundary (8 March 1941, R. C. Murphy). There are sight reportsfrom Panama,west of Pitias Bay, Dari6n, 26 February1941 (Ridgely 1976), and southwestof the Pearl Islands,27 September 1964. Also known as GalapagosAlbatross. ThalassarchechrysosWma (Forster). Gray-headed Albatross. Diornedeachrysostorna J. R. Forster,1785, M6m. Math. Phys. Acad. Sci. Paris 10: 571, pl. 14. (voisinagedu cerclepolaire antarctique & dansl'Ocean Pacifique= Isla de los Estados[= StatenIsland], off Tierra del Fuego.) This speciesbreeds on islandsoff CapeHorn, in the SouthAtlantic, in the southernIndian Ocean,and off New Zealand.Reports from Oregon(mouth of the ColumbiaRiver), California (coastnear Golden Gate), and Panama(Bay of Chiriqu0 are unsatisfactory(see A.O.U. -
Some Venezuelan Wild Bird Species That Box Against Their Own Reflections
Revista Brasileira de Ornitologia 26(3): 192–195. SHORt-COMMUNICATIONARTICLE September 2018 Some Venezuelan wild bird species that box against their own reflections Carlos Verea1,2 1 Universidad Central de Venezuela, Facultad de Agronomía, Instituto de Zoología Agrícola, Apartado 4579, Maracay 2101–A, estado Aragua, Venezuela. 2 Corresponding author: [email protected] Received on 02 July 2018. Accepted on 22 October 2018. ABSTRACT: Data about shadow boxing behavior in Neotropical wild birds is almost absent. A total of 16 novel wild bird species were found performing shadow boxing behavior in northern Venezuela. Families Trochilidae, Picidae, Tyrannidae, Corvidae, Turdidae, Mimidae, Thraupidae, Emberizidae, and Parulidae were represented, with Trochilidae and Tyrannidae reported for the first time. Reflecting surfaces were car components, home windows, glass sliding doors, and a stainless steel pot. As expected, date of records and breeding season information matched for all species. Nonetheless, the White-vented Plumeleteer Chalybura buffonii behavior does not appear to be related to its breeding condition. Instead, this species shadow box to defend a food source. While most birds shadow box with their beak, wings and feet, Trochilidae species developed aerial displays, and beat their reflections with the breast and beak. Two records involved female individuals. Recorded information noticeably improves the previous knowledge of avian shadow boxing behavior in Venezuela and the Neotropical region. KEY-WORDS: agonistic behavior, avian behavior,