BOGUS 发表于 2025-3-28 15:01:16
Nongame Bird Conservation,ation efforts focused on traditional game species and endangered species. “Nongame” bird species consisted of that broad spectrum of bird life that was neither hunted nor listed as threatened or endangered.新鲜 发表于 2025-3-28 20:05:58
Experimental Design in Ornithology,ways to classify this research: by subject area, by type of dependent variable, or by the nature of the independent variable, for example. One important dimension is the extent to which the research is experimental, involving the control and manipulation of variables that could affect the outcome. TConquest 发表于 2025-3-29 02:51:29
Description of Bird Behavior for Comparative Purposes,ogy embraced phylogenesis, inheritance, “survival value,” and adaptation—research areas that relied on comparative observations and inductive reasoning (Darwin, 1859, 1872). Our understanding of animal behavior has increased through many fine descriptive studies and because ethology has become more高脚酒杯 发表于 2025-3-29 04:57:56
Die Fertigungsbelange des Gesenkschmiedens und ihre wissenschaftliche Weiterentwicklung