Pterosaurs to Birds

This site presents the idea that birds developed from flying pterosaurs. This is a credible alternative to the current, mainstream idea that birds developed from land-based dinosaurs.

Friday, November 25, 2011

New opinions ...

“New opinions are always suspected, and usually opposed, without any other reason but because they are not already common." ~John Lock...

Thursday, November 24, 2011

What is the alternative?

http://www.jstor.org/pss/4085810 According to this reference, for a long time, folks thought that birds evolved from "pseudosuchian ar...

Wednesday, November 23, 2011

Pterosaur teeth are like bird teeth

Pterosaur teeth: https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAHLEntit9Gt4iqsjZqcfoT5IHjB8ISKCbqCaIAJ2dy7x8YMypjw1ZzUHBCmP2...

Friday, November 11, 2011

Uniqueness

http://bigcat.fhsu.edu/biology/cbennett/flotsam/Bennett-2008-forelimb-myology.pdf "...the large size, great length, and unconventional...

Thursday, November 10, 2011

A question about the pterosaur wing finger folding

Does this drawing represent the current thinking about how the pterosaur folded its wing finger? http://pterosaurheresies.files.wordpress....

Monday, November 7, 2011

Propatagium

Pterosaur: http://en.wikipedia.org/wiki/Pterosaur "The pterosaur wing membrane is divided into three basic units. The first, calle...

Friday, November 4, 2011

Birdman

For fun: http://www.youtube.com/watch?v=5N9t5qOSzCU&feature=related

Ventilation - pterosaurs are like birds

http://news.sciencemag.org/sciencenow/2009/02/19-02.html " Modern birds sustain their flight with an efficient ventilation system t...

Thursday, October 27, 2011

"Bird feathers are analogous to the wing fibers of pterosaurs,"

Here is a reference that shows the internal composition of the pterosaur wing membrane. It is quite astonishing. Check out page 241 and the...

Tuesday, October 25, 2011

Pterosaur to bird - hand development

The pteroid is composed of two fused phalanges. http://www.oceansofkansas.com/Pteranodon/FHSM/FHSM%20VP-2072Pteroid1.jpg http://www.o...

Sunday, October 16, 2011

Seriema

http://en.wikipedia.org/wiki/Seriema The seriemas are the sole extant members of the small and ancient family Cariamidae , which is al...

Friday, October 14, 2011

Paraphyletic = Ancestral

http://en.wikipedia.org/wiki/Dromaeosauridae#Flying_and_gliding "As late as 2001, Mark Norell and colleagues analyzed a large survey o...

Thursday, October 13, 2011

Neoteny

For reference: http://en.wikipedia.org/wiki/Palaeognathae "Other authors have questioned the monophyly of the Palaeognathae on variou...

Tuesday, October 11, 2011

Origin of flightlessness

This research requires some changes be made to what I have proposed concerning flightless birds. Flightless birds will have to be integrated...

Friday, October 7, 2011

Neutrino

“We don’t allow faster-than-light neutrinos in here,” says the bartender. A neutrino walks into a bar.

Organizing the Material

There is a huge amount of material in this blog and it is a challenge to organize it. I will organize it by type of bird such as those from...

Landbirds (Owl)

Landbirds (Owl) Pterosaur (eg. Pterodactylidae / Dsungaripteroidea ) eg. Nemicolopterus --> Enantiornithes landbird subgroup --...

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