Tern make up the clutch. Most species feed on fish caught by diving from flight, but the marsh terns are insect-eaters, and some large terns will supplement their diet with small land vertebrates. Many terns are long-distance migrants, and the Arctic tern may see more daylight in a year than any other animal. Terns are long-lived birds and are relatively free from natural predators and parasites; most species are declining in numbers due directly or indirectly to human activities, including habitat loss, pollution, disturbance, and predation by introduced mammals. The Chinese crested tern is in a critical situation and three other
Numerology in other varieties of Chinese: Some "lucky number" combinations include: In South India, mostly Tamil Nadu, the numbers assigned to English alphabets are different. The list is shown below: There is no assignment for the number 9. Numerologists analyze double-digit numbers from 10 to 99. Fifth generation (5G), a.k.a. New Radio (NR), uses the term "numerology" to describe the combination of subcarrier spacing and symbol length. For example, in NR(5G) several different numerology (i.e., different subcarrier spacing and symbol length) are supported whearas in LTE there is only one numerology. Scientific theories are sometimes labeled "numerology" if their primary inspiration