Question

Only gland present at base of tail in birds is

• A. Oil gland
• B. Sweat gland
• C. Mammary gland
• D. Salivary gland

Answer 1

The correct option is A Oil gland

The only gland present at base of tail in birds is oil gland. It is also called as uropygial gland or preen gland. It is an epidermal gland. It is a sebaceous gland. It is located dorsally at the base of tail between the fourth caudal vertebra and the pygostyle. It secretes oily waxy substance that is distributed through the plumage during preening.

Thus, the correct answer is 'Oil gland.'