The cheery and sociable house sparrow is more closely associated with humans than any other widely established North American exotic. Introduced to New York City in 1851, the species today ...
House sparrows alone make up about 1.6 billion of ... The barn swallow, like many insect-eating birds, is doing well They refined the data using modelling and information from experts on the ...
The house sparrow is once again the bird most commonly seen in a Northern Ireland garden, according to the RSPB NI. Thousands of people took part in the charity's 45th Big Garden Birdwatch.