Statistics & Data
Our records are important because it helps us know more about the long term trends and day to day problems for the local bluebird population.
MBTCS Annual Data
Our data is reported by a network of volunteer Trail Monitors.
Trail Monitors are encouraged to submit their data to help with our year-over-year consistency of data and statistics. In 2020 we had approximately 48% of our nest boxes reporting data, compared to 45% in 2019 and 53% in 2018.
Total Fledged By Year 2014-2020
2020
Trail Monitor Annual Report Data
1,504 of 3,102 nest boxes reported
Nest Success 2020
Brood Comparison 2020
First Brood Failure 2020
Second Brood Failure 2020
Nest Box Usage 2020
Nest Box Tenants 2020
2019
Trail Monitor Annual Report Data
1,185 of 2,627 nest boxes reported
Nest Success 2019
Brood Comparison 2019
First Brood Failure 2019
Second Brood Failure 2019
Nest Box Useage 2019
Nest Box Tenants 2019
2018
Trail Monitor Annual Report Data
1,351 of 2,565 nest boxes reported
Nest Success 2018
Brood Comparison 2018
First Brood Failure 2018
Second Brood Failure 2018
Nest Box Usage 2018
Nest Box Tenants 2018
Historical MBTCS Annual Data 1994-2020
Historical MBTCS Annual Data 1994-2020
Historical MBTCS Annual Data 1994-2020
