Generally, large birds and seabirds live longer than small birds. Albatrosses live so long that it is hard to calculate their survival rates - they can live longer than the metal rings that identify them, and probably longer than most humans.
Food chain. Definition. A feeding hierarchy in which organisms in an ecosystem are grouped into trophic (nutritional) levels and are shown in a succession to represent the flow of food energy and the feeding relationships between them. Supplement.
A food chain is a linear series of links starting with one specific species that eats no other species in the web, and endling with a specific species that eaten by no other species in the web. That's different from a food web. For more information, please access the related link listed below.