CAS CAS Species Identification & Classification 2

Question 1

Which species is the largest parrot in the world by length?

Accepted Answer

Hyacinth Macaw

Answer

The Hyacinth Macaw (Anodorhynchus hyacinthinus) is the longest parrot species, reaching up to 100 cm (39 inches) in total length.

Question 2

What is the key distinguishing characteristic of lories and lorikeets compared to other parrots?

Accepted Answer

They have a specialized brush-tipped tongue for consuming nectar and pollen

Answer

Lories and lorikeets have a unique brush-tipped tongue adapted for feeding on nectar and pollen, and their diet differs significantly from seed-eating parrots.

Question 3

The Eclectus parrot (Eclectus roratus) is notable because males and females look dramatically different. What color is the male?

Accepted Answer

Bright green with red and blue markings

Answer

Male Eclectus parrots are predominantly bright green with red and blue markings, while females are red and blue — a striking example of sexual dimorphism.

Question 4

Which of the following correctly classifies the cockatiel (Nymphicus hollandicus)?

Accepted Answer

A member of the family Cacatuidae (cockatoos)

Answer

Cockatiels are classified in the family Cacatuidae, making them the smallest member of the cockatoo family, distinguished by their erectile crest.

Question 5

What does the term 'dimorphic' mean in avian species identification?

Accepted Answer

Species in which males and females have visibly different appearances

Answer

Dimorphic species exhibit sexual dimorphism, where males and females have distinctly different physical appearances, such as coloration or size.

(CAS) Certified Avian Specialist Practice Test

(CAS) Certified Avian Specialist Practice Test

CAS CAS Species Identification & Classification 2