CAS CAS Species Identification & Classification 1 — Questions and Answers
Question 1: To which order do parrots, macaws, and cockatoos belong?
- Passeriformes
- Psittaciformes (Correct answer)
- Falconiformes
- Columbiformes
Correct answer: Psittaciformes
All parrots, macaws, and cockatoos belong to the order Psittaciformes, characterized by their hooked bills and zygodactyl feet.
Question 2: Which physical characteristic is unique to cockatoos compared to other psittacines?
- Zygodactyl feet
- A movable crest of feathers (Correct answer)
- Powder down feathers
- Curved bill
Correct answer: A movable crest of feathers
Cockatoos (family Cacatuidae) are distinguished from other parrots by their erectile crest, which is used for communication and expression.
Question 3: What type of foot arrangement do most parrots have, enabling them to grip branches and manipulate food?
- Anisodactyl (3 toes forward, 1 back)
- Zygodactyl (2 toes forward, 2 back) (Correct answer)
- Syndactyl (fused toes)
- Totipalmate (all toes webbed)
Correct answer: Zygodactyl (2 toes forward, 2 back)
Zygodactyl feet, with two toes pointing forward and two backward, give parrots exceptional gripping ability and allow them to use feet like hands.
Question 4: Which continent is the native range of African Grey Parrots (Psittacus erithacus)?
- South America
- Australia
- Africa (Correct answer)
- Asia
Correct answer: Africa
African Grey Parrots are native to the equatorial forests of central and western Africa, making them one of the most well-known African psittacines.
Question 5: The budgerigar (Melopsittacus undulatus) is native to which country?
- Brazil
- South Africa
- New Zealand
- Australia (Correct answer)
Correct answer: Australia
Budgerigars are native to Australia, where they inhabit open grasslands and scrublands across much of the arid interior.
Question 6: Which feature is used to distinguish male from female budgerigars in mature adults?
- Tail length
- Cere color (Correct answer)
- Wing bar pattern
- Eye ring size
Correct answer: Cere color
In mature budgerigars, males typically have a blue cere (the fleshy area above the bill) while females have a brown or tan cere.
CAS CAS Species Identification & Classification 1
To which order do parrots, macaws, and cockatoos belong?