The 9" Chestnut-colored Woodpecker (Celeus castaneus) is a neat brown bird marked with black spots. His head is a little paler than the body and he has a bushy crest. This is a male with the red cheeks. The female does not have the red.
|Chestnut-colored Woodpecker - male|
|Rufous-winged Woodpecker - male.|
|Golden-olive Woodpecker - male|
|Black-cheeked Woodpecker - male|
And in the female, the red just cover the back of the head.
|Black-cheeked Woodpecker - female|
|Acorn Woodpecker - male|
|Hairy Woodpecker - female|
Why are they called poison-dart frogs? Well the Amerindians noticed that the skin exuded a potent toxin, so they rubbed their arrows against the skin of the frogs to make a small dart become lethal. The poison stayed active for up to 2 years on the dart. The frogs get the poison from the mites and ants they eat. They don't manufacture it themselves. There are about 170 species in . All are brightly colored, but the level of toxins varies considerably. They range in the neotropics from Nicaragua south to Peru, Bolivia and Brazil. The most toxic species is the 2" Golden Poison-dart Frog (Phyllobates terribilis) which lives in the Pacific coast of Columbia. It has enough toxin in its skin to KILL 10-20 men or 10,000 mice! It is the largest species of poison-dart frog and may be the most poisonous of any living animal.
Interestingly, these frogs are popular terrarium pets. The frogs raised in the pet trade are non-toxic, because the grubs they are fed contain no poison.
The Strawberry Poison-dart Frog (Oophaga pumilio) is a small 1" or less frog popularly known as the 'blue jeans frog'. It is orange to red with blue front legs and blue hind quarters and legs. Other color patterns exist, some without any blue at all. It inhabits the leaf litter and the males guard the eggs in the leaf litter until they hatch. Then the female carries the tadpoles to a bromeliad that has retained water, and returns to feed them unfertilized eggs over the course of 10 weeks, until they are fully grown. Noel Urena, my guide, had a tape of the males call, and knew where some frogs were. He played the tape and the males crawled out into the open to defend their territory!
|Strawberry Poison-dart Frog|
|Green-and-black Poison-dart Frog|
|Rain Frog species|
Happy birding and photography,
photos copyright 2006 - 2015 David McDonald
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