Monteverde : Ecology and Conservation of a Tropical Cloud Forest
matched than expected by chance; the mean degree of frequency matching in the songs of established teams was greater than that o ...
compensate small trapliners for the usurpation of rich food sources by territorialists. Trapliners might fre- quently gain first ...
tive abilities to locate resources (e.g., the "shepherd's hypothesis" [Rohwer and Ewald 1981], or "produc- ers versus scroungers ...
Fleming, T. H., and A. Estrada, editors. 1993. Frugivory and seed dispersal: ecological and evolutionary aspects. Kluwer, Dordre ...
Martin, T. E. 1984. Impact of livestock grazing on birds of a Colombian cloud forest. Journal of Tropical Ecology 25:158-171. Ma ...
Robinson, K. D., and J. T. Rotenberry. 1991. Clutch size and reproductive success of House Wrens rearing natural and manipulated ...
(^222) Birds Trainer, J. M., and D. B. McDonald. 1993. Vocal repertoire of the Long-tailed Manakin and its relation to male- mal ...
Mammals Robert M. Timm Richard K. LaVal Costa Rica is one of the most biotically diverse coun- tries on earth, with 4% of known ...
Fig. 1.5), the mammal communities are more appro- priately divided into four elevational/vegetational areas: (1) the Monteverde ...
(Fig. 7.2) are common. Jaguars, however, are exceed- ingly rare throughout the region but are present in the Penas Blancas valle ...
formation on reproduction for seven other rare spe- cies of bats were added: Hylonycteris underwood! (Fig. 7.3) and Anoura cultr ...
Figure 7.4. Pygmy Rice Mouse (Oligoryzomys vegetus). Photograph by Barbara L Clauson and Robert M. Timm. Variation in photoperio ...
they consume very few insects. This contrasts with nectar-feeding bats, which often consume insects, pre- sumably taken in flowe ...
7.3.4. Mammal-Insect and Mammal-Bird Interactions An insect-vertebrate interaction, that of rove beetles of the tribe Amblyopini ...
Figure 7.8. (top left) Chiriqui Harvest Mouse (Reithrodontomys creper). Photograph by Barbara L. Clauson and Robert M. Timm. Fig ...
mented in butterflies (see Sec. 4.4). Only recently has seasonal altitudinal migration been considered sig- nificant in tropical ...
its (see Chap. 5, Amphibians and Reptiles). Weather records from Monteverde for the last decade suggest that we are in a period ...
White-lipped Peccary, were extirpated from the re- gion within a few decades of settlement. To assess the historical changes in ...
saw a large group in 1995 above the dairy plant and another in 1997 near the Estacion Biologica. Ocelot Ocelots were very common ...
tation and hunting. A few generalists (opossums, coyotes, foxes, coatis, raccoons, and some rodents) have adjusted to human dist ...
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