No, not by default. The Amazon is a flock species, and it is easy to jump from that fact to the conclusion that a single pet Amazon must be lonely. In practice, a pet Amazon adopts its human household as its flock with complete conviction. A bird that spends its days out of the cage among its people, talked to, trained and included, is having its social needs met in full — and adding a second parrot to that picture answers a problem the bird does not have.
When a companion bird does make sense
The cases where another bird helps are real. An Amazon whose whole household works long hours may settle better with avian company during the day, even if the two birds only ever share a room. Some Amazons visibly brighten at the sight and sound of another parrot — calling back, displaying, eating more eagerly — and that individual response is worth more than any general rule. A companion can also take a little pressure off the human bond: a bird with feathered company in its day is sometimes less intensely possessive of its favourite person. Watch your own bird, in other words, rather than the species average.
What a second Amazon actually involves
Go in clear-eyed. Two Amazons are not twice the noise of one; flock calling is contagious, and a pair can set each other off in choruses that test a household and its neighbours. Each bird needs its own cage — Amazons are too beaky and territorial for shared housing to be a safe assumption — its own out-of-cage time if they do not get along, and its own daily share of you. Compatibility is a coin you flip after purchase: some pairs become easy roommates, others must be managed as permanent neighbours who are never out together. The commitment also doubles in length of obligation, since both birds may be with you for decades.
Quarantine and first vet visits come first
Any incoming bird, whatever the species, starts in quarantine: a separate room, separate feeding order — newcomer last — for several weeks, with a vet examination early in that period, because a new bird can carry infections that show no signs at first. Introductions then happen slowly, cages within sight, shared space only when both birds are relaxed about each other. That process generates paperwork that matters: hatch or purchase details, the vet's findings, any test results, the bird's weight history. It is far easier to keep straight for two birds when it lives in one place — KinsLe's Pet Passport holds each parrot's records together in a single portable packet, ready for the quarantine vet visits, boarding stays and every appointment after.