Bicycles, birds, and mathematicians

We’ve just returned from a very enjoyable departmental party at Ben’s work. The pure maths department is very small so it was a small and friendly gathering. There were some other kids there and they paired up with our kids and spent the time tearing about the place and burning off energy. We cycled there and home again and it was glorious. I love cycling so much.

The dome-shaped building in the background is the home of pure mathematics and engineering at the University of Aberdeen.

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Their common room opens onto a nice little courtyard where some birds nest every year. There were two chicks there. I have no idea what type of birds they are. Does anyone know?

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Here’s one of the parents:

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