Insects with 570+ answers. Especially if they are winged, they are a swarm. If they are marching on the ground, they are an army. Otherwise they are a colony or nest, since any large group of ants in one place are likely all sisters from the same colony. I disagree that clump is a technical term. Certain species of ants don't build or dig nests, but form living nests out of their own bodies.
It was once estimated at 17 and 15 metres (49 ft) in length, but later estimates put it at around 12.2 meters. 1  The largest known prehistoric snake is Titanoboa cerrejonensis, estimated at 12.8 m (42 ft) in length and 1135 kg in weight. 2  The largest known land lizard is probably Megalania at 7 metres (23 ft) in length.
Titanoboa cerrejonensis Head et al., 2009 Titanoboa, / t i Ë t ÉË n oÊ Ë b oÊ É /; meaning titanic boa, is an extinct genus of snakes that is known to have lived in present-day La Guajira in northern Colombia. Fossils of Titanoboa have been found in the CerrejÃ³n Formation, and date to around 58 to 60 million years ago. The giant snake lived during the Middle to Late Paleocene epoch, a 10-million-year period immediately following the Cretaceous-Paleogene extinction event. The only known species is Titanoboa cerrejonensis, the largest snake ever discovered, which supplanted the previous record holder, Gigantophis.