As the casein tempera, it is considered that some Pompeian wall. paintings were made with this particular technique, which in medieval. times translated into a glue made of lime and cheese which stands for the. modern equivalent of calcium caseinate glue.
APPLICABLE INTERNATIONAL LAW The Cormorant is protected under the 1916 Migratory Bird Treaty with Canada, indirectly under the Ramsar Convention, and the Migratory Bird Treaty Act of 1918 (MBTA). The cormorant receives no protection from the Convention of Migratory Species or CITES.hile the Ramsar Convention and the Migratory Bird Treaty with Canada remain possible avenues for international protection of the cormorant (see infra), it is the Migratory Bird Treaty Act of 1918 (MBTA) that is the primary instrument of international law concerning the migratory birds in North America.
After feeding, cormorants need to dry their wings. They do not have oil in their skin to protect their feathers from getting wet, like ducks and othe water birds do. Cormorants find a perch and stretch their wings out until they are dry. Double-crested Cormorants often associate with other birds.uring breeding season, males have two curly black crests on their heads. Cormorants are water birds, and are found at lakes, rivers, streams, marshes, bays, and coasts. They are great swimmers and divers, as well as good flyers. Double-crested Cormorants usually travel, feed, and roost in groups.