You don’t need Google to contribute.
While they do have an app on the Play store, you can also just use the website.

First time I’m hearing about this one, but Zooniverse looks awesome. Definitely a lot of projects in there to satisfy the interests of any individual.

or logging the animals I see in nature or something

iNaturalist is a great way to contribute in this way:
https://www.inaturalist.org/

Just be sure to go into your settings and change the default license to something less restrictive (or whatever you’re comfortable with).

It was introduced to me by a zoologist that specializes in Reptiles and I know it’s a tool that researchers (or anyone depending on the license of the observation) can use.

Just enough so that, by the time I finish the cereal, there’s only a little milk left.

Edit: The way I do it is to have a layer of granola on the bottom, then a layer of whatever floaty cereal on top. When I fill it with milk, it’s a little bit below the top layer so that it’s just a little less than what would make it float. That usually gives me the perfect ratio.

One Day - Matisyahu
https://www.youtube.com/watch?v=WRmBChQjZPs

I had a cockatiel as a kid that would sing along with most of the Disney princesses.