Discovering Knowledge in A Century’s Value of Hen Banding Information

Way back there have been some very inventive concepts about the place birds disappeared to throughout the winter months. Did birds migrate to the moon? Morph into different species? Hibernate underwater? To reply these questions, folks started marking birds to see if a person specimen returned the following yr. This method finally led to a extremely efficient analog expertise referred to as banding, or ringing, that’s broadly used right this moment.


Developed on the flip of the twentieth century, hen banding makes use of steel or coloured leg bands or coloured wing tags marked with a novel quantity or alpha-code as a technique for documenting re-encounters of particular person birds. Bands are reasonably priced, reliable and intensely light-weight—the smallest weigh solely 0.001 gram—and can be utilized on all sizes and species of birds, from hummingbirds to eagles. In North America, the US Geological Survey’s Hen Banding Lab, established in 1920 by visionary scientists, is a cornerstone for avian conservation and analysis. Within the final 100 years, roughly 77 million bands have been deployed with over 5 million re-encounters reported. This analysis has led to some wonderful insights about birds and their lives. For instance, it tells us that the oldest-known dwelling banded hen is a 70-year-old Laysan Albatross named Knowledge who hatched her thirty ninth chick final yr. With spectacular information like these, there’s certainly a variety of knowledge captured on this in depth dataset.


Dr. Antonio Celis-Murillo is the Chief of the Hen Banding Lab, situated on the USGS Jap Ecological Science Middle in Maryland. All through his profession he has studied avian ecology and conduct with the overarching aim of enhancing conservation efforts. “Birds are good indicators of environmental well being as a result of they’re delicate to habitat change. Adjustments in hen populations can sign environmental points, reminiscent of impacts from excessive climate or human growth, which might have an effect on different elements of the ecosystem,” he says.


Celis-Murillo isn’t alone in his ardour for hen banding analysis. Hundreds of skilled banders spend time every spring and fall banding and recovering birds. Every year 1.2 million new band information are submitted from banding stations throughout the US and Canada leading to about 100,000 stories of encountered birds. Dr. Nat Seavy, Audubon’s director of migration science, defined, “My yard birds are worldwide vacationers, however they’re additionally yard birds for a lot of different folks alongside the best way. Including millions of banding information to the Hen Migration Explorer permits us to visualise these information, admire the marvel of hen migration and discover our connection to faraway locations and cultures throughout the hemisphere.”


This wealthy dataset permits scientists to know migration patterns, inhabitants connectivity, website constancy, life span, wildlife ailments and environmental contaminants. Banding information have knowledgeable land conservation and species restoration targets and helped set searching rules. Mapping the info exhibits us how landscapes are related by birds and may help determine downside areas for declining populations. When requested concerning the significance of the Lab, Celis-Murillo relayed his historic perspective that “regardless of many obstacles reminiscent of World Wars I and II, the Nice Despair, and modifications in administrations and federal reorganizations, amongst many different necessary occasions in historical past, the mission of the Hen Banding Laboratory stays fixed to assist avian conservation analysis in the US and Canada.”


There isn’t a query that birds deliver pleasure, and that they’re key to partaking folks and society in appreciating the fantastic thing about nature and conservation,” Celis-Murillo says. That’s why the Hen Banding Lab is a significant information supplier to Audubon’s Migratory Hen Initiative, serving to us obtain our aim of partaking folks within the pleasure of migration and defending locations birds want most all through their vary.


You may assist with the Migratory Hen Initiative and broader hen analysis by reporting any banded birds you encounter at and by taking actions that defend birds. Be taught extra at

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