Investigators find cause of bird deaths
of each type of building and extrapolating the number of collisions per apartment in high-rise buildings, our results, while providing descriptive data, agree with other studies that conclude that low-rise buildings contribute to the higher proportion of bird deaths caused by window collisions11,12...
Outdoor cats (house pets as well as feral cats) are by far the largest cause of human-related mortality in North American birds. And while these data are estimates, cat predation is among the most carefully studied of all of these causes, so the number of birds killed by cats is one o...
Bird collisions are the second biggest cause of bird deaths, after being hunted by stray cats. China has three main routes for bird migration, but the rapid urbanization and the use of large glass walls have increased the danger of mi...
Define Bird droppings. Bird droppings synonyms, Bird droppings pronunciation, Bird droppings translation, English dictionary definition of Bird droppings. n. Waste matter eliminated from the bowels; excrement. American Heritage® Dictionary of the Engl
H5 strains.Most H5 viruses in wild birds and poultry are LPAI, but researchers have identified some HPAI H5 viruses, such as H5N1. H5N1 is one of the deadliest strains for humans. It has caused 939 infections and 464 deaths from bird flu since 2003, according to the World Health Organizat...
Highly pathogenic avian influenza (HPAI) type A of the subtype H5N1 has recently spread widely and rapidly across Eurasia, and even to Africa, with deaths ... SB Muzaffar,RC Ydenberg,IL Jones - 《Waterbirds the International Journal of Waterbird Biology》 被引量: 129发表: 2006年 Vaccination...
meleagrimitis oocysts to turkeys caused infections characterized by poor weight gain. The severity of the produced disease increased progressively as the administered dose of oocysts increased. Deaths occurred at merogony, when large doses of oocysts were given, and at the time of gametogony, ...
Everyone is familiar with seasonal human flu, which typically affects 10-15% of the UK population each winter and leads to around 12 000 excess deaths. Although minor antigenic drift in the human influenza virus A occurs continuously, a major shift in its surface protein antigens H or N can...
One billion US bird deaths caused by collisions alone Collisions with buildingscause billions of bird deathsa year. As many asone billion birds are killed this way every year in the US alonewhile the British Trust for Ornithology has estimated thatwindows cause 100 million bird collisions in the...