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THE EVOLUTION OF REVERSED SEXUAL DIMORPHISM IN OWLS: AN EMPIRICAL ANALYSIS OF POSSIBLE SELECTIVE FACTORS
TLDR
The primary premise in the analysis is that if a given trait was important in the evolution of RSD it should be exhibited to a greater degree in highly dimorphic species than in less Dimorphic ones. Expand
THE EVOLUTION OF REVERSED SEXUAL DIMORPHISM IN SIZE IN MONOGAMOUS SPECIES OF BIRDS
TLDR
The hypotheses proposed to explain reversed sexual dimorphism in size are examined theoretically and critically, using inequalities to state selection in the most rigorous possible terms. Expand
AGE AND SEX DIFFERENCES IN THE TIMING OF FALL MIGRATION OF HAWKS AND FALCONS
TLDR
It is suggested that it is adaptive for adults and males to remain on breeding territories as long as possible so adults might then migrate more rapidly than juveniles. Expand
Oddity and Specific Searching Image more Important than Conspicuousness in Prey Selection
TLDR
Results from 1,600 laboratory experiments performed with two species of hawks in rigorous experimental conditions suggest that oddity and the specific searching image are more important in prey selection than conspicuousness or oddity. Expand
The Evolution of Reversed Sexual Dimorphism in Size
TLDR
The comparative method appears to be simultaneously the best and easiest method of testing these hypotheses on reversed sexual dimorphism. Expand
THE PERIODIC INVASIONS OF GOSHAWKS
TLDR
Comparisons of in- terannual fluctuations in age and sex ratios with those derived from a model population strongly suggest that major invasions of Goshawks indicate a massive reproductive failure and a precipitous decline in population, approaching 70% for 1972-73. Expand
Homing and distance-orientation in bats.
  • H. C. Mueller
  • Biology, Medicine
  • Zeitschrift fur Tierpsychologie
  • 26 April 2010
Homing in Bats.
THE BAL-CHATRI: A TRAP FOR THE BIRDS OF PREY
TLDR
Differences exist in the breeding behavior of the Indigo and Painted Buntings. Expand
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