Bijadadu
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As the millennia crawled on, the island of Coolsteph began to sink lower and lower into the sea. Erosion began in the northern most coasts at first, but eventually Coolsteph began to fracture into dozens of smaller islands, before each was reclaimed by the sea. The shockscooker population bottlenecked as they found their food sources becoming less available as the Magnificent Slaesosaurus found other areas to breed. Some populations of Shockscooters began to compensate by becoming more opportunistic with their diets. At first they were observed eating the dung of all larger species of the island. . As those became less frequent, their diets appeared to expand to dead purple flora that make up the slaesosaurus nests. Soon, as populations began to dwindle more and populations began to fragment, inbreeding began to take a toll. Neurodegenerative and genetic disorders set in, and sterility became a recurring issue.
Reprieve came as the southern most islands collided with island offshoots of the main Drake continent. Soon the trends reversed, as coastal beaches be to increase in size and availability. However the damage was done, and genetic drift had lead not only to speciation, but changes in behavior. Dissection has show that their brain capacity has shrunk 15% compared to that of their ancestors. They are now highly aggressive and competitive, no longer capable of communicating and anticipating the actions of organisms around them.
Pica became observed in all members of the species. They will eat any item that they can fit in their mouths, be it flora, fauna, dirt, rocks, or even their own young. As such, they have developed the ability to digest most of what they eat, however the inedible components have to regularly be regurgitated out. It is a compulsive behavior, and studies show that they have lost the ability to fully distinguish between food and nonfood items. They have become a regular recurring scourge on the island, reappearing every summer and eating everything they can. They are not particularly fast species, dragging themselves along at about 1.5 km/h, so they are limited to capturing slow or non motile species. They are occasionally preyed upon, but they have retained their ancestors electrical defense, which discourages most predators.
They breed in the early autumn months, laying eggs in saltwater pools or in areas around the coastal waters. They rely on numerical advantage for their eggs, with an adults capable of releasing 10000 eggs at one time. The eggs will hatch around early spring, and be fully grown in about 3 months. The numbers are necessary, as surveys show that only about 5-10 individual offspring will survive on average