Determining stats based on "activity"

[reelnmn]

All,

I have a data set that I am looking at determining "activity" associated with bird observations. I have a bunch of raw data consisting of date, time, and bird type.

For instance:
5/25/2022 0901 Robin
5/25/2022 0901 Cardinal
5/25/2022 0903 Bluejay
5/25/2022 0905 Robin
5/25/2022 1000 Chickadee

The data set has a few thousand entries. I'm struggling with a statistic that would define activity. I suspect activity is highest around dawn and dusk, but there could be correlations to moon phases, weather patterns, etc that I can eventually tie to this database. Is there any easy method for plotting or determining "activity" for a given data set at a specific period?

 

[fed2]

has the ring of 'catch effort' estimation.
https://www.sciencedirect.com/scien...in the catch,fixed number of repeated surveys.

except the 'catch' is observing the bird and effort is time spent observing.

or that has nothing to do with it, you decide.

 

[hlsmith]

Might be fun to make heat maps of time.

 

[katxt]

Does your data distinguish between a bird seen flying by, and a bird seen sitting in a tree for half an hour?