... that the original work is properly attributed. Summary: Development of a new method for precise and non-invasive drug delivery to aquatic animals using a palatable gelatin-based feed. Behavior Drug administration Danio rerio Pharmacology Sex differences Strain National Institutes...

... flexibility Reaction norm Sex differences Tree swallow Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038 RGPIN-04158-2014 Trent University http://dx.doi.org/10.13039/501100000184 Ontario Graduate Scholarship...

... and its electromyogram potentiation allows males to produce calls that are more rapid and intensity-modulated than female calls. Prior comparative studies have shown that some species lacking typical male features of vocalizations sometimes show reduced sex differences in underlying laryngeal physiology...

... al., 2005 ). Fig. 8. Sex differences in total activity by treatment for both hawkmoth species. (A) Hyles lineata showed significant sex differences under control conditions as well as during exposure to constant light (LD, P =0.039; LL, P =0.02). (B) Manduca sexta showed significant...

...’ for the purposes of statistical analysis. Because the focus of this study was to examine sex differences in a host of phenotypic traits and to identify potential mechanisms associated with adult sex change, only secondary males (born hermaphrodite but transitioned into male) were used. Hermaphrodites exhibit...

... a bib, which was not the case for males. * Author for correspondence ( [email protected] ) 8 11 2011 © 2012. 2012 male color sex differences superoxide testosterone Many organisms show variation within distinct categories, such as castes in termites and color...

...Kim L. Hoke; Michael J. Ryan; Walter Wilczynski SUMMARY Males and females can differ both in the social behaviors they perform and in the contexts in which they engage in these behaviors. One possible mechanism of sex differences in behavior is a sexual dimorphism in the relay of sensory...

... for controlling or modifying T b . * Author for correspondence (e-mail: [email protected] ) 30 6 2005 © The Company of Biologists Limited 2005 2005 body temperature evaporative heat loss hypoxia panting reptile set-point sex differences thermoregulation The bearded dragon...

... in their dispersal, co-evolution has produced a suite of associated characteristics on both sides of this relationship. Trichromatic colour vision and the colour changes shown by fruits during maturation may be examples of such co-evolved characters. polymorphic colour vision trichromacy dichromacy sex...

.... We found that, in adult deer mice, female spatial performance decreased during the breeding season relative to the non-breeding season, whereas the reverse pattern was observed in male performance. There was a sex difference favouring males in spatial learning during the breeding season...