Most species lay two or three eggs, although a few species lay only one , The word "stearn" was used for these birds in Old English as early as the eighth century, and appears in the poem The Seafarer, written in the ninth century or earlier. It’s also important to mention that arctic foxes are opportunistic feeders and so they try to find food with whatever that’s possible. CS1 maint: multiple names: authors list (, Agreement on the Conservation of African-Eurasian Migratory Waterbirds, "A supertree approach to shorebird phylogeny", "Splitting headaches? The terns are birds of open habitats that typically breed in noisy colonies and lay their eggs on bare ground with little or no nest material. , The male selects a territory, which he defends against conspecifics, and re-establishes a pair bond with his mate or attracts a new female if necessary. The largest colonies are found along the east and south coasts of Scotland and England at sites which include Blakeney Point and Great Yarmouth, Norfolk, Minsmere, Suffolk and Langstone Harbour, Hampshire. Or make kale chips for a satisfying treat that also offers loads of Vitamins A and C, as well as trace amounts of many minerals. According to the School Food Trust, 64% of adolescents "go without prepared school meals" and over more than half don't eat – at least not every day – the amount of fruit and vegetables … Tern skins and feathers have long been used for making items of clothing such as capes and hats, and this became a large-scale activity in the second half of the nineteenth century when it became fashionable to use feathers in hatmaking. Lots of them also eat …  A recent analysis of DNA sequences supported the splitting of Sterna into several smaller genera. Some teens avoid fruits and vegetables like the plague, but the nutrients in produce make them an essential part of any diet. Little terns are a strictly coastal species found around the UK coastline at suitable breeding beaches. And if their friends have similar eating habits, they may underestimate how bad their diets really are because it seems normal to eat hot dogs and cookies for lunch. with dark splotches, so they are difficult for predators to spot on the beach. People who eat breakfast also tend to eat healthier. According to a 2011 National Academy of Sciences report, teens should eat at least 2 cups of fruit per day but actually eat less than 1 cup. Peruvian and Damara terns have small dispersed colonies and rely on the cryptic plumage of the eggs and young for protection. Do teen athletes need more protein? In some parts of the world tern eggs are gathered for human consumption.  Large tern species tend to form larger colonies, which in the case of the sooty tern can contain up to two million pairs. At fast food restaurants, you choose what you want. They lack waterproof plumage, so they cannot rest on the sea. Nigerian food tried by Teens!  Pollution has been a problem in some areas, and in the 1960s and 1970s DDT caused egg loss through thinning of the shells. As teens become more independent in their food choices, they sometimes enjoy indulging in some not-so-healthy options. The northernmost and southernmost breeders are the Arctic tern and Antarctic tern respectively. The time taken to complete the clutch varies, but for temperate species incubation takes 21â28 days. These can be predators such as foxes, raccoons, cats and rats, or animals that destroy the habitat, including rabbits, goats and pigs. Watch all People Vs Food Eps! A few species are defying the trend and showing local increases, including the Arctic tern in Scandinavia, Forster's tern around the Great Lakes, the Sandwich tern in eastern North America and its yellow-billed subspecies, the Cayenne tern, in the Caribbean. Heavily worn or aberrant plumages such as melanism and albinism are much rarer in terns than in gulls. , Terns are normally monogamous, although trios or female-female pairings have been observed in at least three species. Also, in most places it is illegal to own a Tern as a pet. What do teenagers eat? Omissions? And everyone gets their favorites for the main dish sometimes—even the parents. Incubation is by both parents (female may do more), 21-25 days. Diet varies with season and location; mostly small fish, crustaceans, and insects, also some small mollusks and marine worms. Migratory terns move to the coast after breeding, and most species winter near land, although some marine species, like the Aleutian tern, may wander far from land. The eggs of two species are eaten in the West Indies because they are believed to have aphrodisiac properties. Who won a Nobel Prize for quacking at baby ducks? , Most tern species are declining in numbers due to the loss or disturbance of breeding habitat, pollution and increased predation.  The precocial chicks fledge in about four weeks after hatching.  The eggs of most gulls and terns are brown Disturbance by humans, dogs and vehicles, predation by introduced species and inappropriate water level management in South Australia are the main reasons for its decline. , Vocal differences reinforce species separation between closely related birds such as the least and little terns, and can help humans distinguish similar species, such as common and Arctic terns, since flight calls are unique to each species. Otters are meat eaters. The least, or little, tern (S. albifrons), under 25 cm (10 inches) long, is the smallest tern. Your teen doesn’t want this either. Maximum known ages include 34 for an Arctic tern and 32 for a sooty. Terns range in length from about 20 to 55 cm (8 to 22 inches). Most species have long and pointed wings, forked tails, and sharply pointed bills. 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 black underparts in the breeding season. , Most terns hunt fish by diving, often hovering first, and the particular approach technique used can help to distinguish similar species at a distance. , A number of terns face serious threats, and the Chinese crested tern is classed as "critically endangered" by BirdLife International. For example, the common tern has a distinctive alarm, kee-yah, also used as a warning to intruders, and a shorter kyar, given as an individual takes flight in response to a more serious threat; this quietens the usually noisy colony while its residents assess the danger. They dive towards the water picking off fish just below the surface. They eat animals such as herring, cod, sandlances, and capelin. Most terns breed annually and at the same time of year, but some tropical species may nest at intervals shorter than 12 months or asynchronously. The sooty tern is entirely oceanic when not breeding, and healthy young birds are not seen on land for up to five years after fledging until they return to breed.