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Titanoboa cerrejonensis, the World’s Largest Snake: Extinct Anaconda-Like Serpent Believed to Have Reached 43 Feet in Length and 2,500 Pounds in Weight

[…]at 215 pounds – no Titanoboa, but then again not an easy animal to wrest from the muck of a Venezuelan swamp either.  For the full story and some photos of myself and others with that snake, please see my article Hunting Anacondas in the Venezuelan […]
Read more » Titanoboa cerrejonensis, the World’s Largest Snake: Extinct Anaconda-Like Serpent Believed to Have Reached 43 Feet in Length and 2,500 Pounds in Weight

Your First Pet Lizard: a Checklist of Things to Consider

[…]55 gallon tank will provide you with infinitely more to observe than will an adult Green Iguana in a commercial iguana cage outfitted with a single shelf.   Cost: Your pet’s initial purchase price is but one part of the cost of lizard ownership, which also includes electricity use, veterinary […]
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Fungal Infections (Mycotic Disease) in Reptiles – Part 1

[…]infection.  This fungus is ever-present, but is easily handled by healthy immune systems.  Green Iguanas and other reptiles have been found susceptible to Aspergillus as well; I would not be surprised if stress played a role as it does in birds. Please be aware that stress is not limited to […]
Read more » Fungal Infections (Mycotic Disease) in Reptiles – Part 1

The Yellow-Spotted Sideneck Turtle , Podocnemis unifilis, in the Wild and Captivity: Natural History – Part 2

[…]markings that characterize hatchlings.  Limited to the Rio Negro and Rio Casiquiare drainages in Venezuela and Brazil, it is a secretive species that mainly keeps to blackwater areas. This turtle’s wild status has not been well-studied, but it is assumed threatened by past over-collection and habitat loss.  Those I have […]
Read more » The Yellow-Spotted Sideneck Turtle , Podocnemis unifilis, in the Wild and Captivity: Natural History – Part 2

Big Snake Meals

[…]working with large snakes in zoos, was stunned when a 17 foot long anaconda I helped to capture in Venezuela disgorged a deer weighing 60 pounds (this at 3AM, below the hammock upon which I was trying to sleep)! I also observed anacondas swallowing a large side-necked turtle, Podocnemis unifilis, […]

Reptile Lighting – Combo Units for UVB Lights, UVA, Heat and Night Bulbs

Although I have kept reptiles and amphibians since childhood, and worked in zoos for most of my adult life, I remain amazed by the array of herp-care innovations that are available to us today.  True, not all are necessary (and some are downright ridiculous!), but many are indispensable to serious […]
Read more » Reptile Lighting – Combo Units for UVB Lights, UVA, Heat and Night Bulbs

A Millipede Emergency: the Dark Side of a Peaceful Terrarium Invertebrate – Part 1

[…]coworker phoned me at 4 AM, frantically speaking in the rapid fire Spanish typical of her native Venezuela…and which I have great difficulty in grasping at 4 PM, much less 4 AM! Eventually I learned that 3 elderly millipede researchers had passed away recently, and that preliminary evidence indicated that […]
Read more » A Millipede Emergency: the Dark Side of a Peaceful Terrarium Invertebrate – Part 1

Notes from the Field – An Aggressive Black Tegu Tupinambis teguixin (merianae)

While working with Green Anacondas in the central Venezuela llanos (please see my article Hunting Anacondas in the Venezuelan Llanos) in the late 1990’s, I was delighted to find that Black Tegus, one of my favorite lizards, were quite common in the area.  Sometimes referred to as “New World monitor […]
Read more » Notes from the Field – An Aggressive Black Tegu Tupinambis teguixin (merianae)

Research News – After Feeding, Snakes Remodel their Gut and Produce New Cells

[…](the tortoise was an unfortunate exhibit mate; the deer fell to an anaconda at my study site in Venezuela) and 40 pound pigs regularly fed to Reticulated and Burmese Pythons under my care at the Bronx Zoo, for example. A few shell scutes, hoofs, some bone fragments and fur where […]
Read more » Research News – After Feeding, Snakes Remodel their Gut and Produce New Cells

Typical and Atypical Habitats of the Red-Eared Slider – Field Observations

[…]California, Nevada, northern California, Japan (including in temple ponds in historic Kyoto!), Venezuela, St. Lucia and St. Croix.  Such sightings, of course, are not noteworthy, considering that this plucky survivor is well established in 25 or more countries on all continents except Antarctica (actually, when referring to animals with large […]
Read more » Typical and Atypical Habitats of the Red-Eared Slider – Field Observations

The World’s Most Venomous Snakes: Working with Mambas and King Cobras

[…] Certain large constrictors have also caused fatalities. In the course of field research in Venezuela, I observed a Green Anaconda attack a co-worker in what clearly was a feeding attempt.  Please see “Further Reading”, below, to read about both this incident and a recent study of human predation by Reticulated […]
Read more » The World’s Most Venomous Snakes: Working with Mambas and King Cobras

Asian or Chinese Water Dragon – Captive Care and Common Health Concerns

The Asian or Chinese Water Dragon (Physignathus cocincinus) superficially resembles the Green Iguana and is popular with those iguana fans lacking the space for a 6 foot-long lizard. Alert, beautifully-colored and interesting, they are among the best of all large lizard pets. Water Dragons are subject to several unique health concerns […]
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The Indigo Snake’s Less Expensive-Relative: Blacktail Cribo Care and Natural History

[…]Blacktail Cribo ranges throughout much of Mexico south through Central America to northern Venezuela, Columbia and Peru. It’s presence in El Salvador, Panama and Peru needs further confirmation. The northern subspecies, sometimes known as the Texas Indigo Snake (D. m. erebennus), is found from southern Texas to Guatemala and Belize. […]
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Snake Hunting with Romulus Whitaker – Learning from the Master

[…]departed to begin work with nesting King Cobras in India, and I was off to tag Green Anacondas in Venezuela (please see articles below). But, looking back, I see that we enjoyed our time at Ward Pound Ridge just as much as those “exotic” adventures. We herpers are indeed a […]
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Tailless Whipscorpions – the Weirdest of All Arachnids?

[…]that I encountered in the wild – a huge specimen that met my gaze inside a hollow tree in Venezuela (where I was searching for yet another bizarre beast, the giant vampire bat) – stopped me in my tracks. Although relatively harmless, these most unusual Arachnids certainly are formidable – […]
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Habits of the World’s Largest Snakes – the African Rock Python

[…]in 1955 in South Africa – the 60 pound deer regurgitated by a Green Anaconda I tagged in Venezuela pales in comparison! Description Named for the renowned 18th century naturalist Arthur Seba, the African Rock Python is one of the world’s longest snakes. Individuals in excess of 20 feet have […]
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The Cuatro Cienegas Slider (Trachemys scripta taylori) and other Unusual Relatives of the Red Eared Slider (Trachemys scripta elegans)

[…]northern Florida, west to Kansas and New Mexico and south through Mexico to northern Columbia and Venezuela. A Slider among Sea Turtles The most “exotic” slider subspecies that I have handled are the Nicaraguan slider, Trachemys s. emolli, which was shown to me by a friend in Costa Rica, and […]
Read more » The Cuatro Cienegas Slider (Trachemys scripta taylori) and other Unusual Relatives of the Red Eared Slider (Trachemys scripta elegans)

Captive Care of the World’s Largest Snake – Keeping the Green Anaconda

[…]study seemed to be a feeding response; other attacks were reported to me by several residents of Venezuela’s llanos region.  The only reliably documented cases of human predation by snakes have involved Reticulated, African Rock and, possibly, Burmese Pythons.  Please see the article below for more on huge snake meals. […]
Read more » Captive Care of the World’s Largest Snake – Keeping the Green Anaconda

Feeding Captive Savannah Monitors (Varanus exanthematicus) and Black and White Tegus (Tupinambis merianae): Zoo Med’s Canned Tegu and Monitor Diet

[…]days. My Observations of Wild Black and White Tegus My observations of black and white tegus in Venezuela leads me to believe that, at least in llanos habitat, these lizards consume far more large insects, turtle eggs and frogs than rodents.  Mammals are taken when available, mainly as carrion or […]
Read more » Feeding Captive Savannah Monitors (Varanus exanthematicus) and Black and White Tegus (Tupinambis merianae): Zoo Med’s Canned Tegu and Monitor Diet

Snake and Spider Fears and Phobias – Instinctive or Learned

[…]high density of prey (rodents, insects) and in search of shelter.  During the dry season in Venezuela, I collected numerous treefrogs, bats and spiders indoors. Snakes and Primate Evolution So, based on my experiences, I leaned toward a learning-based explanation.  However, recent work at UC Davis has revealed a possible […]
Read more » Snake and Spider Fears and Phobias – Instinctive or Learned
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