Question

Preen gland is found in birds and is also:

• A. Called as uropygial gland
• B. Located at the base of the tail
• C. Modified oil gland
• D. All of the above

Answer 1

The correct option is D All of the above

• Preen gland which is also known as uropygial and oil gland is a bilobate sebaceous gland possessed by the majority of birds.
• It is located dorsally at the base of the tail.
• The preen oil is believed to help maintain the integrity of the feather structure. In waterbirds, the oil maintains the flexibility of feathers and keeps feather barbules from breaking.
• Hence, the correct answer is option D.