Are Birds Flying Lizards?

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Sep 8, 2023
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Had a disagreement with a Reddit person over flying Lizards. Birds are warm blooded, but the personality and how they twitch their heads is very Lizard like. Lays eggs like Lizards. The feet are also Lizard like. They only other big difference is the affection. Birds have pronounced affectionate personalities, while only some monitor Lizards can be seen climbing onto the owner with massive sharp claws. The same for Iguana. Snakes, Turtles and Gilla monsters have no affectionate personality traits.
 
Birds are classified as reptiles or what I specifically call flying dinosaurs.
By that logic a pterodactyl would be a bird. There are a few taxonomic schemes and theories used by biologists and I thing that stating that birds are reptiles is both true, but also simplifies the evolution that led to them and the differences between most birds, most reptiles and most dinosaurs. It is useful to understand that birds and other reptiles descended from dinosaurs.
 
Had a disagreement with a Reddit person over flying Lizards. Birds are warm blooded, but the personality and how they twitch their heads is very Lizard like. Lays eggs like Lizards. The feet are also Lizard like. They only other big difference is the affection. Birds have pronounced affectionate personalities, while only some monitor Lizards can be seen climbing onto the owner with massive sharp claws. The same for Iguana. Snakes, Turtles and Gilla monsters have no affectionate personality traits.
There are some reptiles that give live birth, when I was growing up birds were considered animals and the reason birds lay eggs is very simple it is the same reason they have a very short intestinal tract and have hollow bones. It is to reduce weight so they can continue to fly. Research the different systems used to classify, the Linnaean system and the Phylogenetic system to further cloud the answer.

There is real evidence they descend from theropod dinosaurs which include T-Rex, Terror Birds and a few others, these all have hollow bones. Some birds are highly intelligent some rivaling a 4-5 year old child. I witness this every day with my Congo African Grey their intelligence and ability to vocalize and put small sentences together they created can startle you. This is an area that really interest me and have devoted many hours over the years to it.
 
to be quite honest and fair... how do we know that some Dino's WEREN'T covered in feathers... or warm blooded?
short answer is we don't... those are types of things that don't get preserved/fossilized very well...
 
to be quite honest and fair... how do we know that some Dino's WEREN'T covered in feathers... or warm blooded?
short answer is we don't... those are types of things that don't get preserved/fossilized very well...
Well we do because the fossil record does reveal feathers.
366.webp
 
They do say that T-Rex is closer genetically to a Chicken, than a reptile.
The Archaeopteryx was widely considered the first (or one of the first) bird species-bird sized, hollow bones, feathers, and a mouth full of teeth! The concept that ALL dinosaurs went extinct in the Great Extinction is flawed-many smaller species evolved into reptiles and birds, the large ones just couldn’t survive.
 
I thought this issue was settled long ago when it was found that these objects are not feathers or protofeathers but degraded collagen fibers.

Lingham-Soliar, T., Feduccia, A., and Wang, X., A new Chinese specimen indicates that ‘protofeathers’ in the Early Cretaceous theropod dinosaur Sinosauropteryx are degraded collagen fibres, Proc. Biol. Sci. 274(1620):1823–1829, 2007

Secondly, it seems strange to me that all of these ‘feathered dinosaurs’ come from a single province of China—the same place as the Archaeoraptor hoax came from:

https://www.sciencetimes.com/articles/50763/20240617/archaeoraptor-dinosaur-hoax.htm

https://www.science.org/doi/10.1126/science.330.6012.1740
 
Lizards are their own class of reptiles that branched from other reptiles earlier than the turtle, crocodile, dinosaur, and bird lineages.

Birds are a relatively small branch of the much larger dinosaur clade, all of which are reptiles.

Interesting factoids:
  • It is likely that many of the bird-like therapod dinosaurs actually evolved from flighted ancestors who went back to a ground dwelling lifestyle.
  • Four genera of birds actually survived the K-P extinction.
  • Crocodiles are closer to birds than lizards.
  • We don’t really know if dinosaurs had external reproductive organs or not.
  • Birds existed for longer before the K-P extinction than since.
  • Pterosaurs may actually have been more efficient fliers than birds are.
 
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