| bird flu | 8.49 | China to issue bird flu alert. | ||
| bird species | 4.48 | Scores of spectacular bird species are on display. | ||
| bird sanctuary | 3.23 | ...a bird sanctuary. | ||
| bird song | 3.16 | Now, bird song fills the site. | ||
| bird cage | 2.70 | Bird cages. | ||
| bird population | 2.63 | Bird populations plummeted. | ||
| bird life | 2.57 | The bird life is rich. | ||
| bird virus | 2.50 | There were no new cases of the bird flu virus on Sunday. | ||
| bird dropping | 1.58 | Bird droppings alone present a health hazard. | ||
| bird scare | 1.58 | The bird flu scare took the second spot. | ||
| bird bath | 1.45 | In my yard are two bird baths. | ||
| bird call | 1.32 | He learned bird calls. | ||
| bird habitat | 1.18 | The birds that did not escape have been relocated to other bird habitats in the zoo. | ||
| bird lover | 1.18 | Bird lovers fretted. | ||
| bird house | 1.05 | Build and install bat boxes and bird houses. | ||
| bird seed | 0.86 | Children visit with bird seed. | ||
| bird crisis | 0.79 | Dr Leung said the councils did not have much power to cope with the bird flu crisis. | ||
| bird expert | 0.79 | Bird experts were called in. | ||
| bird book | 0.72 | Bird books have exploded on the market. | ||
| bird egg | 0.72 | They feed on fish, grasshoppers, bird eggs, berries-almost anything. |