See Birds: Brilliant and Bizarre At The Natural History Museum: Reduced Entrance For Admission For RSPB Members From May 2024 To January 2025!

https://www.rspb.org.uk/whats-happening/natural-history-museum

RSPB members get a reduction from May 2024 to early in 2024 at the Natural History Museum in London. Link above from the headlines of the home page of the RSPB website.