منابع مشابه
Some Prey Preference Factors for a Red-tailed Hawk
SEW•AL studies have reported selection against conspicuous prey. Dice (1947) reported differential selection against conspicuous phenotypes of mice (Peromyscus maniculatus) and Kaufman (1974a) showed that Barn Owls (Tyto alba) and Screech Owls (Otus asio) selected against conspicuous phenotypes of old field mice (Peromyscus polionotus). Metzgar (1967) reported that Screech Owls preferred transi...
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In this study, addled and viable Red-tailed Hawk eggs were compared in terms of pesticide levels, egg and eggshell parameters, and shell ultrastructure as determined by scanning electron microscopy. These values were then used to compare actual measurements against egg and eggshell indices commonly reported in the literature. Addled eggs of Red-tailed Hawks were of greater length, weight and vo...
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For over 50 years, ring-tailed lemurs have been studied continuously in the wild. As one of the most long-studied primate species, the length and breadth of their study is comparable to research on Japanese macaques, baboons and chimpanzees. They are also one of the most broadly observed of all primates, with comprehensive research conducted on their behaviour, biology, ecology, genetics, palae...
متن کاملRe-engineering Security as a Crosscutting Concern
We have re-engineered a third-party application using a reflective security architecture that allows security to be treated as a crosscutting concern. This has resulted in a considerable reduction in tangling between application code and security code. Prior to the re-engineering, the application was secured using a conventional approach based upon the application of inheritance and the proxy p...
متن کاملConcern Oriented Programming using Re ection
Building softwares in a concern oriented fashion can be splited in two main steps : rst de ning each concern separately (or reusing existing ones) and then composing (i.e. integrating) those concerns together. Among existing approaches to support this development scheme, we are interested in re ection. This interest is particularly motivated by the natural separation between functional and non-...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1966
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay3341