Few studies have been conducted on the courtship behaviors of Beluga whales. Courtship is defined as the creation of a relationship by whales and is seen through many different behaviors. Such behaviors include posturing, when a beluga turns on its side to present its ventral side to the beluga of interest (Dipaola, Akai, & Kraus, 2007). Behaviors are used as a means of close-range communication (Pryor, 1990; Tyack, 2000; Wursig, Kieckhefer & Jefferson, 1990). The purpose of courtship is to engage in sexual activity with a favorite beluga. Another courtship behavior is rubbing, in which belugas come into contact through body rubs, many of which occur using the pectoral fin; this is sometimes called “giving a massage” (Samuels et al., 1989 as cited in Glabicky, DuBrava, and Noonan (2010)). Along with courtship, aggressive behavior is often depicted. Body massages are considered affiliative behavior. These behaviors are known to encourage group cohesion. Rubbing, however, can be considered courtship behavior based on the location of the touch and the behavior that took place before the rubbing. Rubbing often occurs when no aggression is present (Johnson and Moewe 1999). Swimming belly up can create courtship interactions in dolphins. Dolphins also lean sideways to display their bellies when participating in affiliative interaction (Tavolga & Essapian, 1957; Wursig & Wursig, 1979). Similar to dolphins, beluga whales present their ventral side to another courting animal (Dipaola, Akai, and Kraus 2007). While the posture may be considered courtship behavior, a similar behavior, the S posture, is considered agonistic. The S-posture most commonly occurs when the beluga's head comes forward and the tail stays behind forming an S. Sp...... center of card ......ables. The results showed a significant relationship between the sex of a beluga and the age of the beluga exhibiting sexual behavior, X2 (1, N = 112) = 0.121, p < 0.05, Ф = 0.729. Juvenile belugas showed a higher frequency of sexual behavior than adults. Male belugas had a higher frequency of sexual behavior than female belugas. Young males had a frequency of sexual behavior of 72.3%. (Figure 2) Beluga whales and agonistic behaviors A Chi-square test of independence was conducted to evaluate the relationship between age, sex, and frequency of agonistic behavior. Results showed that a beluga's sex was not related to agonistic behavior, X2 (1, N = 89) = 3.50, p > 0.05, Ф = 0.062. All categories of belugas fell within close range of each other for exhibiting agonistic behaviors. Males, females, juveniles, and adults have been shown to equally portray agonistic behaviors.