American Anti-Vivisection Society is just one of 35,000+ groups listed by members at iGive. Here's a little more detail on them, as provided by members or the organization itself:
AAVS works to end the use of animals in
research, product testing, and education, and
promotes alternatives to animal use in science through our affiliate Animalearn. AAVS promotes a cruelty-free lifestlyle by offering handy tools such as the Guide to Compassionate Shopping along with many other benefits of membership.
Total raised through iGive: $966.72
The most recent check issued to American Anti-Vivisection Society by iGive was sent on Oct 31, 2013 for $74.66.