Loggerhead sea turtle although loggerhead sea turtles cannot retract their heads or flippers into their shells. Sexual dimorphism of the loggerhead sea turtle is only apparent in adults. Adult males have longer tails and claws than females. The males' plastrons are shorter than the females', presumably to accommodate the males' larger tails. The carapaces of males are wider and less domed than the females', and males typically have wider heads than females. The sex of juveniles and subadults cannot be determined through external anatomy, but can be observed through dissection, laparoscopy (an operation performed on the abdomen), histological examination (cell anatomy), and radioimmunological
Loggerhead kingbird visible in the field. The tail is squared and ends with a buffy-white band. It feeds on flying insects, small fruit and berries, and small lizards. Loggerhead kingbird The loggerhead kingbird ("Tyrannus caudifasciatus") is a species of bird in the family Tyrannidae. It is found in the Bahamas, Cayman Islands, Cuba, the Dominican Republic, Haiti, Jamaica, Puerto Rico, and, very rarely, in the United States. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. This large kingbird measures long. It is dark grey above and white below. The head is black while