What does cold blooded mean for reptiles

Lagarto espinoso

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Blood lizard

The difference between warm-blooded and cold-blooded animals lies not in the difference in their body temperature, but in their ability to adapt to changes in environmental temperature.

In addition, their body heat is related to activity: if we take a snake when its body temperature is high, it will move continuously, while if we take it when its body temperature is low, it will hardly move at all. Cold causes lethargy and heat increases activity.

Warm-blooded animals, like us, do not have the blood at a higher temperature, our body simply regulates the degrees at which it should be, for example our body temperature should be maintained at around 37º, that of a cat at 38 or 39º and that of a parrot at 40-42ºC . If this temperature varies notably it is a symptom of some disease, we will have fever or hypothermia, and we will have to do something to remedy it. If we were an iguana we could

If we were an iguana we could live with these changes of temperature (up to a certain point), but we would have to go in search of cold or heat to try to be in the optimal state.

Chameleon cries blood is poisonous

To learn more about this animal classification, click on each of the circles you will find in the following image to find data and new information that will allow us to expand our knowledge about the so-called cold-blooded animals and warm-blooded animals.

Bibliography- MENA, J. (2001). Endothermy and thermoregulation, 1958 (Coleoptera: Geotrupidae). Elytron, 15: 145 - 175.- MAY, M.L. (1984). Thermoregulation. Chap. 12: 507 - 547. Executive Editors G.A. Kerkut and L.I. Gilbert. Pergamon Press.

Although different animals are maintained under the same climatic condition, their temperatures vary and the way they acquire and maintain it allows us to determine those we call cold-blooded animals or warm-blooded animals.

We must understand that, with some exceptions, mammals and birds are considered warm-blooded or endothermic animals, and insects, fish, amphibians, arachnids and reptiles are considered cold-blooded or ectothermic.

Depending on whether rain or snow falls and the ambient temperature drops, or whether it is hot and the sun shines brightly, warm-blooded animals maintain their temperature through energy provided by food and keep their bodies cool by panting, sweating or keeping themselves in the shade or near water currents to cool down.

Types of horned lizards

In fact, says Terrie Williams, "this could be a game changer in the way we think about the evolution of all marine mammals." Williams works at the University of California, Santa Cruz, and although she studies how the environment affects organisms' bodies, she was not involved in this research.

To survive in the cold oceans, mammals must have evolved ways to regulate their body temperature. Williams believes this is probably one of the clearest pieces of evidence that explains "this is how they do it."

Oxygen consumption is an indicator of how much heat cells produce. The researchers compared that rate of oxygen consumption in otters with that seen in other animals. They studied humans, elephant seals, and even Iditarod (ay-dítarod) sled dogs. (The Iditarod is a very long dog sled race in Alaska.) Sea otters don't have as much oxygen consumption.

Sea otters don't have as much blubber or a large body as other marine mammals to survive in the frigid ocean temperatures. But their high metabolism helps them stay warm in the waves.T. WRIGHT (Image obtained under USFWS MARINE MAMMAL PERMIT NO. MA-043219 to R. DAVIS)