Monitoring for Returning Adults

Published: 29 October 2021
Last edited: 29 October 2021

A total of 24 Common Loon chicks were successfully moved from New York and Maine to southeastern Massachusetts as part of BRI’s Massachusetts loon translocation project conducted from 2015-2017 -- 

  • 15 were reared in aquatic enclosures before being released onto Pocksha, Assawompset, or Little Quittacas Ponds (APC). 
  • 9 older chicks were directly released after being transported. 

In 2017, an immature loon chick translocated the previous year was re-confirmed on the APC, marking the first record of a loon chick returning to the release site after its release year. 


As of spring 2020, nine adult loons returned to the lakes in Massachusetts to which they were translocated and captive-reared, and then from which they fledged. Their return marks a major milestone in the efforts to translocate Common Loons.


Collection of baseline and monitoring data and knowledge
Evaluation, effectiveness measures and learning
Scale of implementation
Phase of solution

Enabling factors

Translocation involves multiple teams conducting source population surveys, capture and transport, and the difficult task of safely rearing the chicks, with numerous steps and processes in between. 

Lessons learned

This is a long-term study and needs careful thought and planning throughout the process. The most important factor is the health of the wildlife. 

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