Lizards
New Dinosaur Described as a “Komodo Dragon-Tiger Cross”
Feb 6th
Hello, Frank Indiviglio here. A farm in southern Brazil’s pampas region has yielded the bones of an ancient mammal-like reptile loosely described as a terrifying cross between a Komodo dragon and a tiger. Having worked with both of these modern-day predators, I was immediately intrigued by the newly-described creature (Proceedings of the National Academy of Sciences, Dec., 2011), dubbed the “Pampas Killer”.
A Reptile, but…
The Pampas Killer, or Pampaphoneus biccari, haunted Brazil’s grasslands during the Permian Period, some 260 million years ago. It has been classified as a Dinocephalian Theraspid, or “Mammal-like Dinosaur”. Interestingly, today’s monitor lizards are also sometimes described as “mammal-like” by those familiar with them.
The Paleontologists (scientists who research ancient creatures and the history of life on earth) who are studying the Pampas Killer believe it possessed characteristics of both monitors and predatory mammals such as tigers – yikes! It and related dinosaurs may have been an early step in the evolutionary march towards warm-blooded, furred mammals, which appeared 35 million years later. Please see the drawings and articles below for artists’ re-creations of the Pampas Killer and its relatives. More >
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Loading ...Breeding Leopard Geckos
Feb 3rd
Hello, Frank Indiviglio here. At some point, lizard keepers usually think about breeding their favorite species. The ever-popular Leopard Gecko, Eublepharis macularius, is an excellent choice for both novice and advanced hobbyists. It is a reliable breeder, yet the conditions that must be established if one is to succeed are similar to those required by many other species; a beneficial learning process is thus ensured. Experienced breeders have developed a huge array of color and pattern morphs, and many enjoy “tinkering” with the genetics of these in order to create unique new gecko strains.
Note: Before attempting to breed any animal, it is important that you arrange homes for the youngsters. Please don’t assume that friends or pet stores will accept them…plan ahead.
Distinguishing the Sexes
Directly above the vent, you will see a series of “V” shaped bumps, the pre-anal pores. These are large and readily-visible in males and less-evident in females. Between the vent and the base of the tail, mature males also exhibit a pair of bulges, beneath which are the hemipenes. Please see the article below for a complete guide to determining your pets’ sex. More >
(No Ratings Yet) Loading ...Chameleons as Pets – an Overview of their Natural History and Captive Care
Jan 10th
Chameleons, the most unique of all lizards, are truly marvelous creatures to know and care for. In the past, I’ve written about Veiled, Dwarf and Senegal Chameleons, and related topics (please see articles below). Today I’d like to discuss some general principals of chameleon care.
The following information can be applied to most available Chameleons; however, details will vary. Please write in for specific information on individual species.
Natural History
To date, 186 Chameleon species have been described (Family Chamaeleonidae). They range in size from the 1.5 inch-long Pygmy Leaf Chameleons (Rhampholeon spp.) to the Oustalet’s Chameleon (Furcifer oustaleti), which may top 30 inches in length.
Unique characteristics include a tongue that may exceed the animal’s length, mobile eyes, a “swaying” walk that mimics wind-ruffled leaves, joined toes that form grasping “hands”, a prehensile tail and remarkable color-changing abilities. Color changes are mainly used to communicate, but also serve as camouflage. More >
(-1 rating, 1 votes) Loading ...World’s Smallest Frogs Added to 2011’s List of Newly-Discovered Amphibians
Jan 2nd
Hello, Frank Indiviglio here. Two frog species recently discovered in southeastern New Guinea are smaller than any other 4-legged vertebrate. Within their pea-sized bodies, they pack a brain, lungs, heart, digestive system and most of the other organs that people have…simply astounding!
Tiny Frogs and Fish
The frogs, Paedophryne dekot and P. verrucosa, were collected several years ago, but were only described as new species this year (please see ZooKeys article). Among all the world’s vertebrates, only a single fish, a Southeast Asian relative of the carp (see amazing photo here) is smaller – and the new frogs exceed it in size by only 0.1 mm! Another contender for the title, a leaf-litter frog from Cuba (please see photo of striped frog), is only a tiny bit larger. More >
(No Ratings Yet) Loading ...Reptile and Amphibian Foods – Breeding and Rearing Grasshoppers and Locusts
Nov 25th
Hello, Frank Indiviglio here. The Domestic or House Cricket is perhaps the world’s most popular herp food, the closely-related locusts, grasshoppers and katydids have been neglected as a food source here in the USA. However, many are easily collected and bred in captivity, and offer important nutrients lacking in commercially-bred insects. What’s more, they are colorful, active and extremely interesting to work with – don’t be surprised if you begin keeping them as more than just a food item!
Natural History
Grasshoppers, crickets, locusts and katydids are classified in the Order Orthoptera. Over 20,000 species, inhabiting environments ranging from deserts to mountain tops, have been described. The USA is home to 1,000+ species.
Many grasshoppers sport a fantastic array of colors and shapes; some are barely visible to the naked eye, while others, such as New Guinea’s Phyllophora grandis, top 5 inches in length (please see photo of a Hooded Grasshopper). More >
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