Misc: Said my get-up-and-go must've got up and went?

Questions

Parrots, most famous of all talking birds, rarely acquire a vocabulary of more than twenty words. However, Tymhoney Greys and African Greys have been known to carry vocabularies in excess of ----------?

In one year, hens in America lay enough eggs to encircle the globe a ----------?

The woolly ----------, extinct since the Ice Age, had tusks almost 16 feet high.?

The largest species of seahorse measures ----------?

The cat was the symbol of liberty in ancient ----------?