The sanderling is a shorebird that feeds on insects and small crustaceans such as crabs. sanderlings that are beyond breeding age often stay in the southern feeding grounds and do not migrate north during spring and summer. what is the most likely reason that nonbreeding sanderlings remain in the southern feeding grounds?

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t