WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Lions are seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A tiger is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An elephant is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An American Bison lies on the ground at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A tiger is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Addaxes are seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Cloudy leopard (Neofelis nebulosa) is seen at Smithsonian National Zoological Park in Washington, United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Cloudy leopard (Neofelis nebulosa) is seen at Smithsonian National Zoological Park in Washington, United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An American Bison lies on the ground at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An alligator is seen at Smithsonian National Zoological Park in Washington, United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An Addax is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A tiger is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A lion is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Cloudy leopard (Neofelis nebulosa) is seen at Smithsonian National Zoological Park in Washington, United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Cloudy leopard (Neofelis nebulosa) is seen at Smithsonian National Zoological Park in Washington, United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A Sloth Bear is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A Sloth Bear is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An elephant is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A Przewalski's Horse is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A tiger is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A Sloth Bear is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: Cloudy leopard (Neofelis nebulosa) is seen at Smithsonian National Zoological Park in Washington, United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A cheetah is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A tiger is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: A tiger is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An Addax is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An elephant is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )
WASHINGTON D.C., UNITED STATES - JULY 10: An elephant is seen at the Smithsonian National Zoological Park in Washington D.C., United States on July 10, 2023. In Washington D.C., where temperatures have been high in recent days, temperatures have reached 31 degrees Celsius today. ( Celal Güneş - Anadolu Agency )

