Various renditions exist, but all involve the courtship of a mouse by a frog.
A parallel love story, involving the difficult courtship and fulfilling marriage of Kitty and Levin, provides a rich counterpoint to the tragedy and is thought to reflect Tolstoy's own marital experience.
Courtship involves the male biting the female to hold her for copulation; one female observed had the tip of her first dorsal fin bitten off from such activity.
Because courtship behaviour involves the transmission of information by means of signals, it is useful to define at this point an important group of social signals called displays.
In addition to signaling vitality (Knapp & Kovach, 1991; Mariette et al., 2006; Pekkala et al., 2009; Weir & Grant, 2010), the movements involved in the courtship of many fish species also serve to produce or enhance other signals.
The other news of the day involved the seemingly endless courtship of Tom Izzo by the Cavaliers, which prompted an emotional rally at Michigan State.
The courtship displays involve the raising of the colourful dorsal and anal fins coupled with occasional jerky body movements.
For example, the living cubozoan Tripedalia cystophora has sophisticated reproductive behavior that includes mate recognition and courtship, involving the indirect transfer of sperm through spermatophores [35].
But the process and the social climb were arduous and involved the detailed, nuanced retail courtship--seduction, really--of pockets of wealthy women all across the country.
The largest cell cluster in the VNS, called vPR6, projects to a structure called the thoracic triangle and appears to be involved in shaping the courtship song (von Philipsborn et al., 2011).
