GENERAL KNOWLEDGE: In which year was th eold age pension introduced?

Questions

Common name for the five species of a family of birds having exceptionally long legs & long, highly flexible necks?

Common name for the species of a genus of large birds having a long, large, flattened bill, the upper mandible terminated by a strong hook that curves over the tip of the lower one?

Common name for three or four species of large trees native to mountainous areas of north africa & asia?

Common name for two different members of the deer family?

Common name for two families of true (two-winged) flies, the larvae of what feed on fresh or decaying vegetable matter?