European Green Tree Frog - Hyla arborea (Captive Bred CBP)-


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Defining Characteristics:

  • Great Beginner Tree Frog
  • Green Coloration with a brown band down the side
  • Flighty
  • moderate call
  • Small Size
  • Can be Housed in Groups


Name: The European Tree Frog also known as the common tree frog due to its widespread range across Europe, but this frog certainly isn't common in the United States! Their Scientific name is Hyla arborea with subspecies being recognized in different parts of their range.


Certified Breeder Program: These European tree frogs were procured via our Certified Breeder Program. This certification process will allow us to bring a wider variety of healthy, captive bred animals to you, our customers. We stand behind these animals just like any animals bred at our facility. Besides the fact we’ll be offering more animals, what do you need to know about Josh’s Frogs Certified Breeder Partnership? You need to know these animals are from people with the same approach to animal keeping and breeding that we do, are disease free, and most importantly captive bred! To learn more, please read our blog on the Josh's Frogs Certified Breeder Program. These specific frogs were bred in the UK, and were part of our first import from Europe.


Recommended Terrarium Size: European Tree Frogs are easy to house. They are smaller tree frogs, and can inhabit a smaller enclosure – a 12x12x18 Exo Terra Glass Terrarium is a good size for 2-4 juveniles or adults. Opinions on substrates vary – we’ve had luck with finely ground coconut fiber, damp paper towel, and sphagnum moss. If using sphagnum moss, make sure to press down the moss so it is flat – this will greatly reduce the risk of impaction. Paper towel will need to be changed 2-3 times a week. European Tree Frogs need constant access to fresh, clean water – a large water bowl is a must! Use an easy to clean dish, such as an Exo Terra Water Dish, as the frog will be using the dish as a latrine and you will need to clean daily. Scrub the dish and disinfect with a 5% bleach solution or ReptiSan. Want to make caring for your European Tree Frogs easy? Check out the Josh's Frogs Tree Frog Kits!


Temperature: European Tree Frogs do best when kept in the mid 70s. At Josh's Frogs, we house our hourglass tree frogs at 74-76F. Temperatures in the mid/high 80s F can quickly be fatal, especially when coupled with a lack of water or humidity. Measure temperature with a digital temperature gauge.


Humidity: European Tree Frogs require moderate humidity, and are best kept at 50-70% humidity. Providing ventilation is very important - we recommend using at least a screen top. Stagnant, humid conditions quickly leads to bacterial skin infections in European Tree Frogs. A large dish of clean water should always be provided. Monitor humidity with a digital hygrometer.


Size: At the time of sale, captive bred European Tree Frogs from Josh’s Frogs will measure about 1/2″ and be between 8 and 10 weeks old. After about 10 months they will be nearly adult size, with males measuring about 1.3-1.7″ and females around 1.6-2.0". 


Age: With proper care, European Tree Frogs can live up to and over 5 years. Reports of 8-10 year old animals abound, and many hobbyists routinley keep European Tree Frogs for 4-5 years. All European Tree Frog froglets sold by Josh's Frogs are 8-10 weeks old.


Feeding: At the time of sale, captive bred European Tree Frogs from Josh’s Frogs have been chowing down on 1/4″ crickets, and they will continue to eat that size for the rest of their life. All crickets should be be dusted with a quality vitamin/mineral supplement. At Josh's Frogs, we dust with Repashy Calcium Plus, RepCal Calcium with D3, and RepCal Herptivite.


Sexing: European Tree Frogs are fairly easy to sex as adults. Females are larger than males, with a wider and more stout head. Males will have discoloration on their throats that is yellow/brown. All European Tree Frog froglets sold by Josh's Frogs are unsexable.


Color/Pattern: Dorsal coloration is green and the ventral side is a light yellow. The dorsal and ventral coloration is divided by a brown band that runs from the nostril and usually terminates in an inguinal loop though not always. This band is edged in white.


Social Behavior: European Tree Frogs are easily kept in groups, especially when young. Make sure that all frogs are getting adequate food - sometimes froglets will outcompete each other for food. As temperate tree frogs brumation is usually required to cause males to pursue females but this can be achieved sometimes with a drastic upswing in humidity coupled with barometric pressure shifts. If this happens, separate the frogs or reduce the humidity. Josh's Frogs recommends purchasing multiple frogs if you are interested in breeding them – this greatly increases the chances of getting a pair.


Breeding: European: European Tree Frogs travel down to the forest floor soon after hibernation in search of pools of water to breed. Eggs are laid in water attached to vegetation in clumps of up to 100 eggs. Females can lay up to 2000 eggs at a time. Eggs are white in color and quickly develop into tadpoles. Tadpoles grow in the pools over the course of the summer months and can emerge just a few months before hibernation starts. Young European Tree Frogs live around the edges of the pools, before making their way back up into the canopy. In captivity, European tree frogs are typically bred in a rain chamber. Check out our video of Josh's Frogs Rain Chamber Setup.


Natural Range: European Tree Frogs Albania, Armenia, Austria, Azerbaijan, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, France, Georgia, Germany, Greece, Hungary, Israel, Italy, Liechtenstein, Lithuania, Luxembourg, Macedonia, the Former Yugoslav Republic of, Moldova, Republic of, Montenegro, Netherlands, Poland, Portugal, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine.


History in the Hobby: European Tree Frogs have been primarily bred in captivity in Europe where hobbyists can keep their frogs outside in greenhouses year round. Before weather prediction was available on the TV or internet tree frogs would notify people of incoming storms by responding to barometric pressure shifts by calling.


Links of Interest:

Hyla arborea on Wikipedia

Hyla arborea on Amphibiaweb


Still not sure if European Tree Frogs from Josh's Frogs are the right pet frog for you? Read the reviews below and see what other customers are saying!

Shipping for any number of frogs is just $39.99. Frogs are shipped via FedEx Priority Overnight and are delivered by 12:00 pm to most locations, Tuesday through Friday. Josh's Frogs does not ship frogs internationally. Scheduling of frog order is dependant on your availability and weather.


Please respond to our Frog Shipping Email, to ensure you will be there to receive the animals when they arrive. We'll email back to confirm after checking your local weather conditions.


We can ship directly to your address, as long as your local overnight low temperature is above 39F the night of shipping, and your high temperature is below 91F at noon on the day of arrival. If your overnight lows are below 40F but above 29F, Josh's Frogs can ship to your closest FedEx Staff Location that accepts Hold for Pickup packages. If your high temperature is over 90F at the guarantee 'delivered by' time (typically 12pm), Josh's Frogs can ship to your closest FedEx Staff Location that accepts Hold for Pickup packages. If your overnight low is below 30F, Josh's Frogs retains the right to hold frog shipping until temperatures increase due to safety concerns. We will hold the frogs at our facility for any length of time necessary to ensure that the frogs you order are received in the best of health. This policy is designed with the best interests and health of our animals at heart!


To find your nearest appropriate FedEx location, click here and follow the instructions below:

  • Enter your zip code in the top search box.

  • Click the Filter button.

  • Check Staffed Location.

  • Expand Additional services, and check the Hold package at location for pickup box.

  • Close the filter box and search for locations.


FedEx's website will display the nearest locations where you may pick up your frogs. We'll look up the locations for you when you call to schedule frog shipping. You do not need to check your temperature before ordering frogs - Josh's Frogs will take care of this when contacted about scheduling shipment. Frog orders require contact from our customer prior to being shipped out, to ensure you will be there to receive the animals when they arrive, and to check your local weather conditions.


Shipping for any number of frogs is a flat rate $39.99. This includes postage, a box with 1" styrofoam insulation, gel packs, heat/ice packs and/or phase 22 panels if necessary. Josh's Frogs has been shipping frogs since 2004 and has shipped thousands of animals safely. We have a special contract with UPS to ship live animals directly to residential addresses and guarantee live arrival as long as our Live Arrival Conditions are met.

Josh's Frogs guarantees the Health & Live Arrival of all frogs.

< p>All frog shipments are sent via FedEx Priority Overnight. Josh's Frogs guarantees that all frogs will arrive alive and in good health, provided that temperatures on day of arrival do not exceed 85 degrees before the frogs are delivered to home or business address, or nearest FedEx location. Temperatures during transit do not drop below 40 degrees for delivery to home or business address. Temperatures during transit do not drop below 30 degrees for pickup at the nearest FedEx location. Someone is there to accept the package on first delivery attempt, or package is picked up by noon the day of arrival if package is held at a FedEx location for pickup. Failure to meet these guidelines will void Josh's Frogs Live Arrival and Health Guarantee.

< p>If frogs arrive deceased or in poor condition, Josh's Frogs requires that the customer notifies us of the condition of the animal(s) within 1 hour of arrival via email at, or at (800) 691-8178. Picture(s) of the animal(s) must be sent by 4pm EST day of arrival to Failure to meet these guidelines will void Josh's Frogs Live Arrival and Health Guarantee.

< p>Josh's Frogs offers a 3 day health guarantee on all animals purchased from Josh's Frogs. If animal(s) purchased arrive in good shape but fail to thrive within 3 days, Josh's Frogs requires that pictures of the animal(s) and their habitat is emailed to within 3 days of the animal's arrival. When emailing the pictures, please include relavent habitat information, such as average humidity and temperature. A Josh's Frogs representative will then contact the customer and discuss poison dart frog care. Failure to meet these guidelines will void Josh's Frogs Live Arrival and Health Guarantee.