Glucose screening and tolerance tests during pregnancy. A glucose screening test is a routine test during pregnancy that checks a pregnant womanâs blood glucose (sugar) level. A glucose tolerance test is done if a glucose screening test result is higher than normal. It is used to diagnose gestational diabetes. Gestational diabetes is high blood sugar (diabetes) that starts or is found during pregnancy.
The Arctic tern is known to make the longest annual migration in the animal kingdom. During its breeding season, it is found far to the north where summer days are long, and it winters far south in the southern hemisphere, where the days are longest during November to February.he Arctic tern is notorious for its long-distance migration between the breeding grounds and the winter quarters in the Southern Ocean. This knowledge has been obtained by ringing and observations of movements at-sea.
The New Zealand fantail is a seasonal breeder, nesting from August to March in the North Island, September to January in the South Island and October to January on the Chatham Islands. They usually raise two or more broods per season.his reveals that the outer tail feathers that are light and the centre ones are dark. Some subspecies are found in a darker plumage, notably the black fantail morph seen in up to 25% of South Island birds and less than 1% of North Island birds (it is completely absent from the Chatham Islands).