It is not uncommon for red-crowned amazons to have splashes of red and blue under their wings and have light yellow-tipped tails.

Their iris color can range from a bright yellow to a deep red, although juveniles' eyes are gray until maturity.

The numbers of wild parrots in the United States now rivals populations in Mexico, due to their adaptation to urban life.

[5] However, the IUCN and other resources consider the bird to be non-native to all parts of the United States, including southern Texas.

[9][10] Populations of feral parrots exist in cities such as the Los Angeles metropolitan area in California, US, especially the San Gabriel Valley.

[13][14] Area residents say that although the birds annoy with their loud calls, they also inspire local pride and identity.

The characteristic screeching heard of these birds usually occurs when they travel in a large flock to a new feeding area.

Amazons are one of the easiest parrots to read the behavior of, as their eye color shows their pinning exceptionally well.

In the wild, these parrots mate for life and find tree cavities near other members of their flock, creating a breeding group known as a colony.

Although some are excellent talkers and copy voices, they are best at mimicking sounds that stand out to them, such as the microwave, telephone or other pets.