Domestic cats kill between 1.4 billion and 3.7 billion birds and up to 20 billion smallrodents each year, according to researchers at the Migratory Bird Center of the Smithsonian Conservation Biology Institute.
The London-based Science Media Centre, which assists reporters when major science news breaks, posted an entire page of criticisms, most notably its poor design, the use of tumor prone rodents, the small sample size and the selective presentation of data.