The difference between tail of black drogue and tail of white breasted kingfisher are:
Tail of black drogue
- It has a long, deeply forked tail.
- Tail provides the bird its characteristic and man-oeuvrability (twisting and turning) during its flight, as it pursues strong flying insects.
Image Source: upload.wikimedia.org/wikipedia/commons/8/8e/Long-tailed-duck.jpg
Tail of white breasted kingfisher
- It has a very short stumpy tail.
- Tail provides the bird to make a straight dive and pounce on its creeping prey.