| Column 'A' | Column 'B' |
| $ The smallest bird | $ A.$ The mayfly |
| $2.$ The highest flyer | $ B.$ The peregrine falcon |
| $3. $ The fastest diver | $ C.$ The ostrich |
| $4.$ The deepest diver | $D.$ The hummingbird |
| $5.$ The animal with the shortest life span | $E.$ The emperor penguin |
| $F.$ The bar-headed goose |