The vinaceous-breasted amazon (Amazona vinacea), one of the most threatened Neotropical parrots, has been the focus of a long-term reintroduction project at Araucárias National Park, Brazil. Between January 2011 and June 2023, twelve release events were conducted, followed by periodic monitoring using a combination of methods: field records by the technical team, citizen-scientist reports and camera traps. Monitoring by the technical team relied on visual inspection and vocalization records to locate and identify individuals. Radio telemetry was used when resources were available and for as long as transmitter batteries remained active. Monitoring frequency increased between 2017 and 2023, driven by an increase in financial resources, expanded field effort by the technical team and stronger involvement of local communities. A total of 8,671 monitoring records and reports were analyzed. The contribution of citizen scientists increased from less than 5% of records before 2016 to over 25% after 2019, highlighting the growing role of participatory monitoring in data collection across broader spatial and temporal scales. The introduction of numbered medal tags in 2019 enhanced the ability to recognize individual parrots, raising identification success from 34–73% to over 90%. These findings demonstrate the refinement of field methodologies and the benefits of integrating professional and community-based monitoring. Post-release monitoring is fundamental for assessing survival, adaptation and reproduction, providing feedback for project adjustments. Despite notable advances, reliably finding and identifying translocated individuals from a long distance in the Atlantic Forest remains one of the project's greatest challenges. The adoption of emerging technologies, such as drone-assisted telemetry, small and parrot resistant GPS devices, and AI-based image and sound recognition, remains largely limited by costs and technical availability but represents a crucial future direction for improving long-term monitoring of A. vinacea in the wild.
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Long-term monitoring efficiency and identification success in the reintroduction of the vinaceous-breasted amazon (Amazona vinacea)
Published:
05 February 2026
by MDPI
in The 1st International Online Conference on Biology
session Conservation Biology
Abstract:
Keywords: Reintroduction biology; Amazona vinacea; citizen science; individual identification; wildlife monitoring.
