Sentence examples for persistent birds from inspiring English sources

As the FWAG report notes of ravens and buzzards terrorising free-range hens in Devon: "A few persistent birds can soon raise mortality to uneconomic levels".

Continuing past the library brings you into the 140-person capacity, vault-ceilinged Laguna Restaurant, where the far walls were replaced entirely with netting (to keep out the island's persistent birds) and each table has a view of the hotel's four freshwater lagoon pools, the Sunset Bar and the beach.

On a warm, sunny fall afternoon at Fishkill Farms in Dutchess County, we were standing among the 400 laying hens (giving one persistent bird the opportunity to peck a hole in my pants).

Recently, Masachessi et al. [ 67] provided the first evidence of persistent infection in birds (greater rheas) from Argentina.

43 WNV-caused mortality has also had a substantial impact on many bird populations and resulted in persistent declines in many bird species; it has altered avian community structure and likely affected community competence and enzootic transmission of WNV.

Thus, it seems likely that the developmental manipulation had caused subtle physiological differences that were still persistent in the adult birds.

But the bird was persistent.

Daily behavioral observations recorded birds that displayed persistent nesting (i.e. not leaving the nest if challenged), raising feathers and clucking when approached.

Experimental studies have shown that gastrointestinal carriage of Salmonella occurs in passerines after infection; therefore it is possible that healthy birds could be persistent carriers [ 28].

Dr. Meretsky wants most of the 46 condors in the wild reunited with the 123 captive birds because of the persistent behavior problems.

Experimentally infected hamsters develop chronically infected kidneys (10 ), and birds may also maintain persistent visceral infections (2 ).