Bones That Looks Like Other Bones: A MiniPost About Birds and Rabbits

I’ve been quite busy doing analysis on assemblages for my PhD project, so I don’t have much time for blogging these days. But in (belated) honour of International Rabbit Day, here’s a quick comparison of rabbits and birds!

Birds and Rabbits
Herring gull skull on the left, rabbit skull on the right

For the most part, rabbits and birds are quite distinguishable animals. I mean, one has wings and feathers and the other doesn’t – how could you mix them up?

Well…once you have just the bones, it can get tricky.

Rabbit Bird Tibias

Let’s take, for example, the tibia. Above is a photo of a bird tibia and a rabbit tibia – can you guess which is which?

They don’t look exactly alike, of course, but rabbit bones (rabbit tibia is on the bottom) have similar sharp characteristics you’d normally expect bird bones (herring gull tibia is on the top) to have.

Bird Rabbit femurs

Now this is a bit easy as the bones are marked, but you can see the similarities between the bird femur (game cock femur on the left) and the rabbit femur (on the right). Again, note the sharp edges of some of the rabbit bone that looks similar to many bird bones!

And if that isn’t confusing enough, rabbit bones tend to be just about as lightweight as bird bones!

It can be very tricky, but this is why comparative anatomy and reference collections are so important!

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