The question is a bit vague because it can be interpreted two different ways.
Who found the first bird fossil ... (as in the very first bird that ever evolved).
... is an ongoing process since there have been recent discoveries of earlier dinosaur birds that the first found.
A more accurate question would be who was the first person to find a bird fossil.
In which case that wouldn't be the whole bird but just one feather.
Which would be...
Christian Erich Hermann von Meyer found in c.1860.
For 150 years, a species called Archaeopteryx has been regarded as the first true bird, representing a major evolutionary step away from dinosaurs.
Mary Anning found the very first fossil, a Megalosaurous, on the south coast of the United Kingdom in the mid nineteenth century.
So, found the first fossil: Mary Anning
What she found: Megalosaurus
Where she found it: south coast of the United Kingdom
When she found it: mid nineteenth century
because it is hard to solve the fossil and the organism it is
Protists were first found in the fossil record around 2.1 billion years ago.
You should be careful when you find a fossil because they are often fragile and can easily break if mishandled. It's important to handle fossils gently and with care to preserve them for future study and enjoyment. Additionally, some fossils may contain sharp edges or delicate structures that can be easily damaged.
Abundant fossil evidence first appeared in the geologic record during the Cambrian Period, around 541 million years ago. This period is known as the "Cambrian Explosion" because it marked a rapid diversification of marine life and the emergence of many major animal groups.
The first land plants appeared in the fossil record around 450 million years ago during the Ordovician period. The first land animals, such as arthropods and insects, began to appear around 420 million years ago during the Silurian period.
The person to find the first stegosaurus fossil was M.P. Felch
You receive it at the beginning of the game after you revive your first fossil. That first fossil is Tricera.
The Underground
Baby town
A man in the first floor of the Relic castle will offer you the choice of a Cover fossil or a Plume Fossil.
A fossil in the hole
The first place to check would be the actual Fossil company site. If you don't find what you want there, any retailer such as Macys, Dillards, etc should have Fossil watches available that are authentic.
Revive the first 100 vivosaurs.
It will take a while to find one but you will eventually find his head fossil. or you could go to the fossil guild and look for its head. i got it that way when i was level 5 or 6. but that only happenes when you are the luky person. very very very lucky person.
After getting the first fossil talk to the fossil maniac who lives west from fallarbor town after you speak to him go back to the desert you should find Mirage Tower has appeared go in there with the Mach Bike to find the other fossil.
first you get mapo then you give him a miraculous fossil(the gold one)then you have a mapo king
you go to the museum section in lenora's gym and talk to the first person on the right then you give the person your fossil and she will bring it back as a Pokemon