You can use this link from the Florida Division of Consumer Services to check. They are registered as The Animal League and their registration number is CH2848.
Check-A-Charity
According to this:
Revenue Source : IRS 990 Form (12/31/2021)
Program Services Expenses : $1,314,399.00 91%
Administrative Expenses : $22,667.00 2%
Fundraising Expenses : $114,887.00 8%