Fossils - Window Into Our Past

We humans seem to have a rather curious obsessionwhat kind of gait the animal walked with, and whether
with things that happened in the past. At least humansit could run or only move slowly along. If there are
of the age of 18 seem to. One of the best ways tomultiple sets of footprints, then it would suggest, that
get a glimpse of the way things used to be is throughthis particular specie of dinosaur travelled in groups as
the analysis of fossils. This is where palaeontologistsopposed to going solo.
come in. With their expertise, and the help a few wellExamining the dinosaurs teeth and jaw structure not
preserved fossils, it's truly amazing the things they canonly helps to describe the shape and size of their
find out about our ancient neighbours.head, but also says a lot about what kind of food the
When palaeontologists first discover a set of fossils oranimal was capable of eating. Fossilized droppings can
even old bones, they take plenty of photographs andhelp here, and if they get really lucky, palaeontologists
notes. Using the position of the remains can tell aalso will sometimes find an undigested last meal still in
whole lot about how the collection of bones forthe dinosaurs stomach. Yum!
example will fit together. Bones can tell someNow while digging through dirt, muck and mud may be
interesting things that most of us probably neverappealing to some. There is another way to discover
realized. Markings on a bone can tell where musclesmore about our ancient neighbours. One is through
were attached, and can really help palaeontologistsliving fossils. That's right living fossils. There are some
flesh out the rest of a dinosaur. On the more obviousanimals still alive today, that look much like they did
side, bones tell a lot about the shape and weight of themillions of years ago. Take for example alligators and
animal they belonged to.crocodiles. These friendly fellows are much easier to
Finding fossil footprint of a dinosaur can also reveal afind than fossils, and are also much easier to observe
wealth of information. By looking at the spacing of thein their native environments. They just need to be
footprints, a palaeontologists can understand whetherhandled a little more cautiously then their ancient
a dinosaur walked on two or four feet. It can also tellpreserved brethren.