Výsledky vyhledávání - "C. Martinez del Rio"

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Use of saguaro fruit by white-winged doves: isotopic evidence of a tight ecological association

Autor: C. Martinez Del Rio, Blair O. Wolf

Publikováno v: Oecologia. 124(4)

We report the use of stable isotope and crop content analyses to quantify the use of saguaro (Carnegiea gigantea) nectar and fruit by migratory desert white-winged doves (Zenaida asiatica mearsnii). Saguaro resources had characteristically 13C-enrich

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b48a53e6a4314788f6b4e8d5c2a4a55
https://pubmed.ncbi.nlm.nih.gov/28308392

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Nutritional value and diet preference of arboreal lichens and hypogeous fungi for small mammals in the Rocky Mountains

Autor: S. A. Dubay, C. Martinez Del Rio, Gregory D. Hayward

Publikováno v: Canadian Journal of Zoology. 86:851-862

Many small mammals consume lichen and fungi, but southern red-backed voles ( Clethrionomys gapperi (Vigors, 1830)) and northern flying squirrels ( Glaucomys sabrinus (Shaw, 1801)) exhibit strong mycophagy compared with other North American taxa. We a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1150751c512b032d5edfb526164d6e07
https://doi.org/10.1139/z08-054

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Effects of Sugar Composition and Concentration on Food Selection by Saussure's Long-nosed Bat (Leptonycteris curasoae) and the Long-tongued Bat (Glossophaga soricina)

Autor: Jorge Ayala-Berdon, Nelly Rodríguez-Peña, Jorge E. Schondube, Kathryn E. Stoner, C. Martinez Del Rio, Cesar M. Flores-Ortiz

Publikováno v: Journal of Mammalogy. 88:1466-1474

In the Neotropics, bat-pollinated plants secrete relatively dilute nectars dominated by hexoses (glucose and fructose) with only small amounts of sucrose. We investigated the concentration and sugar composition preferences of Saussure's long-nosed ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0953bb9495ddfeadbc68a75a9b7f00a8
https://doi.org/10.1644/06-mamm-a-353r1.1

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Osmoregulation and adaptive radiation in the ovenbird genus Cinclodes (Passeriformes: Furnariidae)

Autor: C. Martinez Del Rio, Mauricio Canals, Karin Maldonado, Pablo Sabat

Publikováno v: Functional Ecology. 20:799-805

Summary 1The genus Cinclodes is unique among passerines because it includes two species that can be considered marine/coastal and also includes several species that inhabit freshwater streams or that shift habitats between terrestrial/fresh water and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e06918d296a78b90c48dea4396d3213d
https://doi.org/10.1111/j.1365-2435.2006.01176.x

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Constraints of body size and swimming velocity on the ability of juvenile rainbow trout to endure periods without food

Autor: Daniel C. Rule, Wayne A. Hubert, Darin G. Simpkins, C. Martinez Del Rio

Publikováno v: Journal of Fish Biology. 65:530-544

The hypothesis that body size and swimming velocity affect proximate body composition, wet mass and size-selective mortality of fasted fish was evaluated using small (107 mm mean total length, LT) and medium (168 mm mean L T ) juvenile rainbow trout

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::140a49ad9195f96f62c31d153d7a4e7f
https://doi.org/10.1111/j.0022-1112.2004.00471.x

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Renal Structure in Neotropical Bats: Using Stable Isotopes to Explore Relationships between Diet and Morphology

Autor: E. Braun, C. Martinez Del Rio, Keith A. Hobson, L. G. Herrera

Publikováno v: Isotopes in Environmental and Health Studies. 37:1-11

The relationship between kidney structure and diet was examined in several species of bats from the tropics. The trophic level of the bats was determined by their stable nitrogen isotopic composition (δ 15N). The results indicate that the relative t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6af093440005d0c7da59c2a405980b0f
https://doi.org/10.1080/10256010108033277

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Food ingestion and water turnover in hummingbirds: how much dietary water is absorbed?

Autor: C. Martinez Del Rio, Todd J. McWhorter

Publikováno v: Journal of Experimental Biology. 202:2851-2858

Hummingbirds are specialized nectarivores that feed on dilute solutions of sugars with trace amounts of amino acids and electrolytes. Their diets contain excess water that, if absorbed, must be eliminated. It has been hypothesized that in hummingbird

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80c03cb6075003c085c819b2d6069711
https://doi.org/10.1242/jeb.202.20.2851

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