The slender, long and slightly curved beak of the sun-bird is an adaptation for breeding for feeding on
Answer Details
The slender, long and slightly curved beak of the sun-bird is an adaptation for feeding on nectar. The sun-bird's beak has evolved to fit perfectly into the long and narrow tubes of flowers, where it feeds on the nectar using its long tongue. This allows the sun-bird to obtain nectar from flowers that other birds may not be able to access.