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This strawberry poison dart frog, also called a blue jeans poison dart frog, is one of 7 species of poison dart frogs in Costa Rica. They are poisonous to touch if you have a cut on your hand, but I do not touch them just in case. They
are tiny. Most are only about 2 cm (1 inch) in length, and large ones get to about twice that size.
are tiny. Most are only about 2 cm (1 inch) in length, and large ones get to about twice that size.Poison dart frogs display remarkable parenting behavior for animals other than mammals and birds. Their courtship ritual includes the male calling a mate, then she follows him to a suitable site for laying eggs, usually a moist leafy area. After some foreplay rubbing and touching, the eggs are laid and fertilized. This rather typical frog behavior is followed by something very unusual.
Either the male or female stays with the eggs to guard them until they hatch into tadpoles. The parent will then pick up the tadpoles and carry them on his or her back up a tree and deposit the tadpoles in the little pools of rain water that gathers in the the central areas of bromeliad plants. Even more amazing, the female frog will return to the tiny puddles of rain water and deposit unfertilized eggs for the tadpoles to eat.
How many amphibians or reptiles care for their young with such devotion? Even the fathers are involved. One difference between the fathers and mothers is that when they carry the baby tadpoles up the trees to the bromeliad sisterns, make frogs will carry up to 6 tadpoles at a time, but mothers will carry only 1 or 2 at a time. I guess the males must have better upper body strength from all those years carrying the trash out of the kitchen on trash collection day.
I previously mentioned how Tortuguero gets so much rainfall each year. The rain and humidity are obviously necessary to maintain the supply of water in the little pools in the plants to nurture the tadpoles.
Please excuse the quality of the photos. The forest canopy is thick, so I took the photos in low light and zoomed in, which narrowed the depth of field. The top photo is cropped to enlarge the frog. The second photo shows the full frame. I did not want to get closer and disturb the frog.
I will show another poison dart frog in a few days.
11 comments:
I love blue jean frogs. so cute and the changing colors are very interesting
I just learned so much! I'm just picturing those male dart frogs carrying their little pails of trash out to the curb...and what do you suppose they would have in their little trash pails?
Brattcat,
I think the little pails of trash carried out by the male poison dart frogs would contain leftover poison that has gone bad in their teeny tiny refridgerators, just like some of the food in our refridgerator.
What an amazing tale. A beautiful frog and I suppose the colour warns it's poisonous although I remember the poisonous cane toads in Australia and there were not brightly coloured at all. Just plain ugly. As you say, what great parents too. Loved this post, Dave.
And thanks for the comment (s) on Monte Carlo. Made my day!
Cute little things even if they are poison.
They may be poisonous but they are beautiful. I really didn't know there were red frogs! What an interesting story! Is it instinct or some kind of intelligence that makes them act that way?
An interesting birthing ritual. They have a quite brilliant color!
Blue jeans Baby. Oh not that kind.
What an interesting post you have. Love the pictures of the blue jean frogs.
I came by from Marie's blog.
Wanda from Brushstrokes.
They look so cool! These are the only poisonous frogs I've seen there in the wild.
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