Tern sea terns have light grey or white body plumage as adults, with a black cap to the head. The legs and bill are various combinations of red, orange, yellow, or black depending on species. The pale plumage is conspicuous from a distance at sea, and may attract other birds to a good feeding area for these fish-eating species. When seen against the sky, the white underparts also help to hide the hunting bird from its intended prey. The Inca tern has mainly dark plumage, and three species that mainly eat insects, the black tern, white-winged tern, and black-bellied tern, have
Longdon-on-Tern Longdon-on-Tern Longdon-Upon-Tern (also known as Longdon-on-Tern or colloquially Longdon) is a village in east central Shropshire, England. It is in the unitary district of Telford and Wrekin, and is approximately east of Shrewsbury and north-west of Telford. Longdon-Upon-Tern is situated on the River Tern, a tributary of the River Severn. Settled since at least the Normans, the village is notable as the site of the Longdon-on-Tern Aqueduct, the first large-scale cast iron navigable aqueduct, designed and built by Thomas Telford for the canal. The aqueduct is Grade I listed and a preserved as a scheduled ancient monument. The name Longdon