American Bullfrog

Where they live

• View a map of where they live
• They are an introduced species in Washington State, originally found only to the east of the Rocky Mountains
• Currently found in many low elevation areas in Washington
• Live in lakes, ponds and wetlands, generally in the water or on the shoreline

Breeding

• Breeding season is spring and summer
• Females can lay up to 25,000 eggs in one mass
• Eggs can hatch within 5 days but takes the tadpoles two years to complete metamorphosis

Cool Biology Facts

• Can jump 3-6 feet! (1-2 meters)
• Have been introduced worldwide and have caused problems in many areas due to competition with local species.
• Males are territorial and will get in physical fights to defend their territory.
• Many restaurants in the US have bullfrogs on the menu and there are actual bullfrog farms to supply them!
• Are often carriers of the chytrid fungus that has been one of the major reasons for many frog species declines; however they are generally resistant to the devastating effects of the fungus.

Threats

• Their population is increasing and in many areas efforts are being made to eradicate them. View their status on the IUCN Red List of Threatened Species.