Author: Jonathan Losos Page 48 of 130

Professor of Biology and Director of the Living Earth Collaborative at Washington University in Saint Louis. I've spent my entire professional career studying anoles and have discovered that the more I learn about anoles, the more I realize I don't know.

The Old Lizard by Federico Garcia Lorca

Photo from Imablog

In the parched path

I have seen the good lizard

(one drop of crocodile)

meditating.

With his green frock-coat

of an abbot of the devil,

his correct bearing

and his stiff collar,

he has the sad air

of an old professor.

Those faded eyes

of a broken artist,

how they watch the afternoon

in dismay!

 

Is this, my friend,

your twilight constitutional?

Please use your cane,

you are very old, Mr. Lizard,

and the children of the village

may startle you.

What are you seeking in the path,

my near-sighted philosopher,

if the wavering phantasm

of the parched afternoon

has broken the horizon?

 

Are you seeking the blue alms

of the moribund heaven?

A penny of a star?

Or perhaps

you’ve been reading a volume

of Lamartine, and you relish

the plateresque trills

of the birds?

 

(You watch the setting sun,

and your eyes shine,

oh, dragon of the frogs,

with a human radiance.

Ideas, gondolas without oars,

cross the shadowy

waters of your

burnt-out eyes.)

 

Have you come looking

for that lovely lady lizard,

green as the wheatfields

of May,

as the long locks

of sleeping pools,

who scorned you, and then

left you in your field?

Oh, sweet idyll, broken

among the sweet sedges!

But, live! What the devil!

I like you.

The motto “I oppose

the serpent” triumphs

in that grand double chin

of a Christian archbishop.

 

Now the sun has dissolved

in the cup of the mountains,

and the flocks

cloud the roadway.

It is the hour to depart:

leave the dry path

and your meditations.

You will have time

to look at the stars

when the worms are eating you

at their leisure.

 

Go home to your house

by the village, of the crickets!

Good night, my friend

Mr. Lizard!

 

Now the field is empty,

the mountains dim,

the roadway deserted.

Only, now and again,

a cuckoo sings in the darkness

of the poplar trees.

Anolis maynardi Uses that Long Snout for Biting!

maynardi vallee 5

Mike Vallee, a dive instructor on Little Cayman, spends his spare time watching that island’s delightfully long-schnozzed anole. What a great hobby! He says the “anoles are often found in and around the local agave plant. They are the perfect color match and their spiked leaves provide protection from birds and other predators.” He also commented on the photo above, in reference to a previous post on the long snout of this species, that we now know one thing they do with their pointy front end.

Here’s some more lovely pics he took.

little cayman anole

Photo by Mike Vallee

maynardi vallee2

Photo by Mike Vallee

Photo by Mike Vallee

Photo by Mike Vallee

Photo by Mike Vallee

Photo by Mike Vallee

Puerto Rican Giant Green Anole Mating

 

Anolis cuvieri. Photo by Alejandro Sanchez.

Anolis cuvieri. Photo by Alejandro Sanchez.

Photo by Alejandro Sanchez.

Photo by Alejandro Sanchez.

Father Alejandro Sanchez has done it again! Previously, he posted some wonderful photos of Anolis cuvieri moving around, now he’s caught them in flagrante delicto. Here’s the backstory: “The pics were taken around 10:30 AM. The lizards were about 10 meters above ground. I cannot take credit for the initial sighting. The group of students of UPR-Humacao saw the male jump to the tree where the female was and almost immediately copulation started. In all it lasted about 15 minutes. The separation was very abrupt (possibly caused by the group of people under the tree, taking pictures). At that point the male jumped to another branch and ran down low enough for me to be able to shake it down and capture it. At that time, the male still had his hemipenis everted.”

Monkeys Eat Anoles

Capuchin monkey eating a basilisk. Photo by Andrew G.

Capuchin monkeys may look cute, but in reality they’re cold-blooded killers. A recent paper in Herpetology Notes reports on a golden-bellied capuchin (different species than the one pictured above and below) that ate a Polychrus marmoratus, an Anolis ortonii, and an Enyalius catenatus.

Monkey predation on anoles has been documented previously. This paper cites a case of a capuchin eating an A. cupreus, and primatologist Betsy Mitchell recorded one eating an anole–perhaps A. frenatus–in her thesis (which I don’t have in front of me). We also reported on another capuchin species eating a Polychrus in a previous post. A quick google found an undocumented report of rhesus macaques eating A. carolinensis in Florida. Anyone know of any other reports?

And, finally, for your delectation, a video of a capuchin eating an iguana:

Turn the Clock Back Anole Style: 50% Off Ecomorph Watches Today

watches

The Ecomorph Line of of watches is half off today at Zazzle.com. Check ’em out, and use the code SUNDAYDEAL59.

Knight Anoles Spreading through Florida

An iguanito. Photo from the Coastal Star.

A nice article in the Coastal Star just reported on the spread of knight anoles through Florida. The article contains numerous nuggets, such as quotes from the Florida Fish and Wildlife Commission stating that they’re worried about bigger things (e.g., pythons, tegus), that they’re locally called “iguanitos,” and that iguanas are rebounding from freeze-caused mortality in the recent past and are mainly a problem for pooping by people’s pools.

Battle of the Lilliputian Brown Anoles

Championship round, lightweight division. Photo from Daffodil’s Photo Blog.

We periodically post pictures, videos and stories of male anoles duking it out with each other [e.g., 1,2], but over on Daffodil’s Photo Blog is evidence that such squabbling starts at a young age. Check out how the little fellas, with barely a dewlap to speak of, nonetheless behave just the same as their elders.

Creationists on Lizard Evolution Study: “What’s the Big Deal?”

discovery institute

Last week, Yoel Stuart and colleagues (including me) published a paper demonstrating that green anoles had rapidly (ca. 20 years) evolved an increase in toepad size as a result of upward shifts in habitat use caused the presence of brown anoles.

The Discovery Institute, an organization devoted to the advocacy of creationist views, posted a blog yesterday saying, basically, “this is not news?” After summarizing the study, here’s what they have to say:

“….these scientists found that when a new species of lizards invaded another’s territory (in fact the new species was placed there intentionally by the researchers, meaning they weren’t quite studying “natural” selection), the old one sought higher ground. That seems like a smart thing to do. To go along with the new territory, they subsequently evolved “larger toepads (see here for a picture).

After reading this, what I really wanted to see was the precise sizes of the toepad and compare the changes. But alas that information is not in the paper. I tried downloading the supplemental materials but it’s not there either. So let’s assume that the toepad size changed a lot. What have we shown?

Not much. We’ve seen that the size of lizard feet can change in response to invaders’ driving a species to perch at higher levels in the trees. No new traits arose. Only the size of a pre-existing trait changed. Again, that’s interesting but such changes in the size of lizard feet do very little to explain the origin of lizards in the first place, even if these changes happen in just a few generations.

If we take seriously the statement from the authors that the modest results from this study can help test “evolutionary hypotheses about phenomena … on time scales too long for direct observation,” then that implies that over long periods you might be able to change the size of an organism or some of its body parts. Since when is that news?”

The Blue-Dewlapped Anole of Grand Cayman

 

conspersus displayingNot many anoles have blue dewlaps, so we were delighted to see Ann Stafford’s tweet of this lovely  conspersus from Grand Cayman strutting its stuff.

Where Do Anoles Lay Their Eggs?

Anole eggs found in a tomato pot. Photo by Karen Cusick.

The egg-laying habits of anoles are surprisingly little known. On Daffodil’s Photo Blog, Karen Cusick recently reported on the discovery of eight–count ’em, eight!–anole eggs in a tomato plant pot. Readers, where else have you found anole eggs?

Also, whose eggs are these? Both green and brown’s occur in Karen’s backyard. In Anolis Newsletter V, Todd Vincent provided tips on how to tell them apart.

Brown and green anole eggs. Photo by Todd Vincent.

Brown and green anole eggs. Photo by Todd Vincent.

And for some delightful footage on baby anoles, let’s not forget this old post.

Page 48 of 130

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