Single page, A5 size.
Available in English and Portuguese version.
Basic methodology for regular observation of species throughout the year in the same place.
Keep a regular record of your neighbours' birds. This will provide you with interesting information for your observations.
It can also be very important for science. By keeping a constant record of birds in a particular place, you can obtain very important information about the distribution and phenology of the species.
Once you buy it, you can print as many pages as you need!