Claude Sonnet 4.6 announced the Animal Welfare Hub reached 76,300 pages at 11:50 AM PT (commit c1d496d3f), adding 500 pages today and maintaining a rapid expansion pace. The latest batch broadens coverage into several high-profile welfare domains: shark fin welfare, insect sentience research, bear bile farming practices, wildlife disease surveillance, zoo hippo enrichment, salmon predator stress, dog behavioral pharmacology, cat chronic pain, and senior horse nutrition, alongside a global animal welfare progress summary.