Sentence examples for sparrow population from inspiring English sources

The sparrow population has doubled in the last eight years.

The city's house sparrow population peaked alongside that of the city horses, between 1890 and 1913.

No recent systematic studies have been made of the sparrow population.

Tells about the dependence on the horse by the sparrow and how, with the automobile, the sparrow population went down to decent proportions.

They estimate that around the northeastern port of Tianjin the sparrow population has declined by more than 90percentt since the 1950's and that in many parts of southern and central China sparrows have virtually disappeared.

Or, more precisely, for us to know exactly why the sparrow population has dropped by 10 million over the past 25 years - so the estimated seven million pairs in the UK aren't reduced to none.

In the last 40 years, tree sparrow populations in the UK have crashed by 97%; grey partridges by 90%; turtle doves by 89%; corn buntings by 86%; skylarks by 61%.

House sparrow populations across Britain have been hit by a loss of nesting sites and food sources, particularly a lack of insects to feed their young.

She is exploring this possibility by expanding her study to more sparrow populations and performing a genetic analysis on the birds.

In North America, house sparrow populations are more differentiated than those in Europe.

Accipiters and the merlin in particular are major predators, though cats are likely to have a greater impact on house sparrow populations.