This was not surprising, since a small, soft egg would require less investment in terms of materials and energy, said Dr Unwin. I branched out to the author's Dragon and Werewolf stories, those are just terrible. What makes this fossil really interesting is the egg. Unlike those of modern birds, her egg was small with a soft shell. They are terrible, hysterical, graphic, and amazing all in one. They invest quite a lot of energy into each of their offspring. Two different forms of pterosaur fossil had been found for this type; one had an ornate head crest and a small pelvis, the other had no head crest and a large pelvis, just like the recent fossil. The pterosaur egg looks much more similar to a reptile than a bird egg, so the palaeontologists who found the fossil are confident that pterosaurs had a low offspring investment strategy like reptiles, likely burying their eggs and leaving them rather than incubating them by sitting on them.
This is usually because the males have to compete with each other to mate. Two different forms of pterosaur fossil had been found for this type; one had an ornate head crest and a small pelvis, the other had no head crest and a large pelvis, just like the recent fossil. These are the two most exciting implications: Other Darwinopterus specimens, now known to be male, have smaller hips and well-developed crests. So much wasted opportunity, and not enough humor to compensate. Sometimes males compete by fighting, but often they show how healthy and successful they are by developing extravagant features. Scientists believe these were probably used to ward off rivals or attract mates. Not the most amazing monster porn we have found. Females may only choose to mate with only one or a small number of males, so males are under huge competitive pressure if they want to pass on their DNA to the next generation. Previously most experts believed pterosaurs laid eggs in a fashion more similar to birds than reptiles. This may help to understand whether different looking fossils are part of the same species or are different species, which will improve the overall understanding of pterosaur species and the evolutionary relationships between them. Palaeontologists can tell a lot about pterosaurs from this egg. Male pterodactyls used their spectacular giant head crests to woo the ladies, scientists believe Dr David Unwin, from the University of Leicester, whose team describe the find in the journal Science, said: Finally, we have a good explanation for pterosaur head crests, a problem that has puzzled scientists for more than years. I branched out to the author's Dragon and Werewolf stories, those are just terrible. And what actually is a pterosaur? Males thus have to balance the risk of being eaten, with looking awesome, and getting laid. This type of discovery, in which gender can be determined with certainty, is extremely rare in the fossil record, and the first to be reported for pterosaurs. Female pterosaurs had relatively large hips to accommodate the passage of eggs, but no head crest Future pterosaur fossil finds in which the skull or hips are preserved can now help scientists to 'sex' the creatures. This is an interesting finding in itself, but its also useful for palaeontologists to understand which of their fossil pterosaurs are male or female, as this allows them to look for further differences between males and females, like size, and allows them to look for the same pattern of sexual dimorphism in other pterosaur species. But definitely not the most embarrassing. Scientist splice pterodactyl dna with human dna, and the only physical change to the creature is genitalia. I lol'd and blushed and couldn't stop myself from say WTF did I just read, so I bought the next one, and the next one, and the next one, 7 dinosaur erotica "books" in total. I need to figure this out. What makes this fossil really interesting is the egg. Experts have concluded that males and female pterosaurs of this species therefore looked different this is called sexual dimorphism , females were the ones without the head crest, males were the ones with them. The name Pterosaur actually refers to a whole order of different species, like the word lizard refers to a whole range of different forms.
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