Alexandrine Parakeet vs Derbyan Parakeet

In short

The Alexandrine Parakeet and Derbyan Parakeet are both large, green parakeets with long tails, but they can be distinguished by their head and bill coloration. The Alexandrine has a red patch on its wing and a pinkish collar, while the Derbyan has a distinctive purple-blue head and a two-toned bill.

Identification tips

1. Look for the red shoulder patch on the Alexandrine Parakeet. 2. Note the purple-blue head and two-toned bill of the Derbyan Parakeet. 3. Observe the pinkish collar on the Alexandrine, absent in the Derbyan. 4. Consider geographic location, as their ranges overlap minimally.

Size

Both species are similar in size, but the Alexandrine Parakeet is slightly larger overall.

Plumage

The Alexandrine Parakeet has a green body with a prominent red patch on the shoulder and a pinkish collar around the neck. In contrast, the Derbyan Parakeet features a striking purple-blue head and a green body without the red shoulder patch.

Behaviour

Both species exhibit similar behaviors typical of parakeets, such as being social and often seen in flocks. No significant behavioral differences are noted.

Habitat

Both species inhabit forested areas, but the Alexandrine Parakeet is more widely distributed across South Asia, while the Derbyan Parakeet is found in the eastern Himalayas and southwestern China.

Voice

Both species have loud, screeching calls, but specific differences in vocalization are not well-documented.