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"lizards"31 articles archived since 1845

By the Horns of Trioceros, the Casque of Calumma, the Brood of Bradypodion--Chameleons, Part 2

Welcome to the second part of the ‘What’s with all these new chameleon names?’ series. In the previous article, we looked at the fact that the ‘two genera system’ widely in use prior to the 1990s started to fall apart during the 1980s; we also looked specifically at the chameleon genera Rhampholeon and Rieppeleon. This time round—surprise surprise—we look at... more chameleons

February 25, 2016 — Darren Naish

The Galliwasps

Diploglossines – popularly called galliwasps – are an extant group of anguid lizards that inhabit South and Central America as well as the Antilles (Anguidae is the group that includes alligator lizards, slow-worms, glass lizards and kin). Most galliwasps are robust-bodied lizards with normally proportioned, complete limbs. A reduced digit count and reduced limb size is, however, present in the obscure taxa OphiodesSauresia and Wetmorena. The vast majority of species are included within Celestus (with about 30 species) and Diploglossus (with about 17 species).

September 9, 2015 — Darren Naish
Australia, land of dragons (part II)

Australia, land of dragons (part II)

Time for more Australian agamids, or amphibolurines, or dragons, whichever you prefer. Last time round, we looked at the water dragons, Moloch and a few other taxa, meaning that all thats left to get through is the remainder.

February 7, 2014 — Darren Naish
Monitoring the Many Faces of Monitors

Monitoring the Many Faces of Monitors

Artist: Darren Naish Source: Monitor musings, varanid variables, goannasaurian goings-on... it's about monitor lizards, by Darren Naish on Tetrapod Zoology If you’re not a herpetologist, you may be of the mindset that lizards all look the same, but that would only expose you for what you are: a human primate, finely attuned to the faces [...]

May 22, 2014 — Kalliopi Monoyios

Hell yes: Komodo dragons!!! (again)

What with all the monitor-themed goodness around these parts lately (see links below), it seems only fitting that I provide a re-vamped, substantially updated version of this Tet Zoo ver 2 classic (originally published in September 2007).

March 5, 2014 — Darren Naish

The Atomic Worm-Lizard and Other Aprasia Flapfoots

I'm feeling the urge to blog about lizards. So, today I'd like to talk about the Aprasia species, a group of short-tailed, near-limbless gekkotans that belong to the Australian Pygopodidae family, the so-called flapfoots, flap-footed lizards or pygopods.

March 11, 2015 — Darren Naish

The Madagascan Skink Amphiglossus Eats Crabs

Neither stream-dwelling nor crab-eating are common behavior in lizards. Madagascar is home to a morphologically and behaviorally diverse group of skinks, and a few of those are confirmed stream-dwellers. Here I discuss a case in which biologist Asia Murphy has succeeded in photographing—perhaps for the first time—one of these stream-dwelling skinks eating crabs...

February 5, 2016 — Darren Naish

Skinks skinks skinks (part I)

Skinks (properly Scincidae… though read on) are one of the most successful of squamate groups, accounting for approximately 1500 species - in other words, for about 25% of all lizards.

October 10, 2014 — Darren Naish
Grassland earless dragons

Grassland earless dragons

Today: LIZARDS. Even better: obscure Australian agamids, or dragon lizards, or dragons, if you prefer. Ive written about agamids a few times on Tet Zoo but have never gotten to say much (if anything) about the Australian radiation, grouped together into the clade Amphibolurinae.

January 4, 2014 — Darren Naish
Obscure and attractive monitor lizards to know and love

Obscure and attractive monitor lizards to know and love

Everybody loves monitor lizards, or varanids. And there is so much to learn about, and to appreciate, in these remarkable, charismatic, complex, sophisticated lizards that scientists across many disciplines are being encouraged to study them and lo to make remarkable discoveries.

February 12, 2014 — Darren Naish

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