Each month, our Faunalytics Index provides a round-up of data, statistics, and facts gleaned from the most recent research we’ve covered in our library. Our aim is to give you a quick overview of some of the most eye-catching and informative bits of data that could help you be more effective for animals in your advocacy.

If you want to know more about any given statistic, follow the links below, read the source articles, and dive deeper into the issues.

	14 The number of assessment criteria used to measure captive zoo animal welfare, as recommended in a recent review.
	34% The percentage of respondents from the E.U. who reported that animal welfare is their highest priority when buying animal products.
	1,100 The number of participants in a randomized controlled trial currently being conducted by Faunalytics about the naturalness of “clean meat” products.
	80-85% An upper estimate for the percentage of companion animals rescued from natural disasters who are never reunited with their human companions.
	0.17-77 The range of size, in acres, of domestic cats’ outdoor “home range,” as revealed in a recent citizen science project in Australia.
	6 The number of questions in a new, validated scale of speciesism that highlights the different levels of depth and impact discrimination toward animals can have.
	6 The youngest age at which researchers found that children (and their parents) could perceive humans as being different from and superior to animals, which related to the more they dehumanized people of a different race.
	10-1,000 Hz The range of “hearing” for oysters, based on a calculated response curve in a study on the effect of noise on their welfare.
	62% The proportion of action requests in emails from large animal protection groups that encouraged recipients to make donations and/or sign petitions.