Since 2007, the rats—which live up to eight years in captivity—have detected over 56,000 landmines and other explosives. After some research, we came up with a list of aquatic animals that we had no idea live in Egypt’s sacred river. And what creatures reside in the cleaner parts of the river, such as Lake Nasser and the river south of the Aswan dam? The National Park Service routinely conducts studies to monitor and evaluate animal populations. Animals of all types, including large numbers of reptiles, fish and birds live in freshwater habitats. Sometimes, rare species can be affected. Alligator. The nature of the river flow downstream is changed. Arowana. Examples include termite mounds, wasp and beehives, burrow complexes of rodents, beaver dams, elaborate nests of birds, and webs of spiders.. Often, these structures incorporate sophisticated features such as temperature regulation, traps, bait, ventilation, special-purpose chambers and many other features. The first effect of a dam is to alter the pattern of disturbances on which the plants and animals of a river depend. Each family group will typically consist of monogamous parents, their new young kits, and their yearlings that were born the previous spring. Every flood is valuable in that it takes nutrients from the land and deposits them in the river, providing food for the stream's residents. Many aquatic animals coordinate their reproductive cycles with annual flood seasons. Tiny rodent. Structures built by animals, often called animal architecture, abound in nature. Although the average beaver dam is about 6 feet (1.8 meters) high and 5 … Which flat tailed water animal makes a dam and lives in a lodge. Baboon. More freshwater habitat information; Animals of the Freshwater: Freshwater Animals. Looking out over the Nile, we wondered what animals are resilient enough to live in the waters of Cairo? Nile River - Nile River - Dams and reservoirs: In 1843 it was decided to build a series of diversion dams (barrages or weirs) across the Nile at the head of the delta about 12 miles downstream from Cairo, so as to raise the level of water upstream to supply the irrigation canals and to regulate navigation. As we move into the higher animals, such as mammals, the shortest lifespans are those of the shrews, a family of mouse-sized, and smaller, venomous rodents that live 1-1.5 years. They live in large family groups called colonies. Beavers are very sociable animals. The animal species that live in these habitats vary dramatically from one area to another. Babirusa. When the river valley is inundated with water, animals are forced to leave the area and plants and trees are killed. It's a complicated feat of engineering, but these animals are more than cut out for it. More than 120 species of fish make their home in the river, along with recovering mussel populations. 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