July 31st is a Thursday.

July 31st is also known as World Ranger Day, a day to celebrate and honor park rangers around the world.

July 31st is International Cheetah Day, a day dedicated to raising awareness about the conservation of cheetahs.

July 31st is the last day of National Immunization Awareness Month, a reminder to stay up-to-date with your pet's vaccines.

July 31st is also known as World Smuggling Day, a day to raise awareness about the illegal wildlife trade and support efforts to end it.

July 31st is the feast day of St. Ignatius of Loyola, the patron saint of animals and the environment.

July 31st is the last day of National Zookeeper Week, a time to appreciate the hard work and dedication of zookeepers around the world.

July 31st is the International Day of Friendship, a day to celebrate the special bond between humans and their animal companions.