Least tern (Sternula antillarum)
Part of a collection of watercolors by "M. Rabié" for St. Domingue Oiseaux. Dated 1766.
Internet Archive
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Least Tern (Sternula antillarum), Bolivar Flats, Galveston County, Texas.
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February 11, 2017 - Least Tern (Sternula antillarum)
The smallest species of tern in North America, these birds breed on sandy beaches along the coasts of much of the United States and inland near several river systems, wintering throughout the Caribbean and on the coasts of Central America and northern South America. They eat small fish and some invertebrates, hunting by diving into the water from flight. Breeding in small colonies, they nest on the ground, building shallow scrapes in sandy or gravelly areas, such as beaches, riverbanks, or sometimes flat building rooftops. Both parents incubate the eggs and feed the chicks. The population found in the interior of the United States is threatened by habitat loss and nest disturbance.
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flickr
Tern Take-Off | Least Tern ~ (Sternula antillarum) by Peter Brannon | Flickr
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#SeabirdSaturday / #SeabirderSaturday When you get THAT photo…recently fledged juvenile California Least Tern (Sternula antillarum browni), Oceano Dunes SVRA, Pismo Beach, California central coast, 2011. The horizon was glowing as the sun started to set; then…I heard the characteristic, high-pitched “twinkling” call of Least Terns. Two fledgelings flew overhead...so I poked my head out of the vehicle window with my binoculars to identify them by their band combinations, finding they were from nests 4 & 9 that year. Once they saw me, they curiously flew lower to get a better look, fluttering & screaming at eye level for several seconds. I honestly thought they were going to fly into the open window! It was such a magical moment; so fleeting, but I will remember it forever, and contributed to me getting further impassioned on working in coastal bird conservation. For a belated #EndangeredSpeciesDay & #BiodiversityDay, plus with Monday being #WorldOceansDay...the California Least Tern highlights the importance of not only looking at total biodiversity of all life forms, but also examining the diversity WITHIN species, as well as their interactions with & dependence on the factors around them, can all immensely help their conservation! #seabirds #terns #leasttern #flight #wings #conservation #california #centralcoast #pismobeach #oceanodunes #birdbanding #birdringing #birdmonitoring #conservationgenetics #biodiversity #birdphotography #wildlifephotography #naturephotography (at Oceano Dunes SVRA) https://www.instagram.com/p/CBGou9qgnDT/?igshid=xqfrgumirp9m
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Osprey, Terns and Turtles: A Summer as an ESA/USGS Intern
by Allison Hendryx
Allison Hendryx holds two least tern juveniles
Allison Hendryx graduated from the University of Montana in 2019 with a degree in wildlife biology and a minor in ecological restoration, with an emphasis in fire ecology. After graduation, she participated in the Ecological Society of America and US Geological Survey’s Cooperative Summer Internship Program, which provides a pathway for students with training in biological field methods to experience internships with the USGS for up to five months.
Osprey (P. haliaetus carolinensis)--North American subspecies
This past summer, I spent my morning commute on a boat in the Chesapeake Bay as an intern with the Patuxent Wildlife Research Center in Laurel, Maryland, as part of the Ecological Society of America/US Geological Service Cooperative Summer Internship Program. To enter the program, you need to be nominated by either faculty or by a director of a field-training course or experience. Once nominated, ESA and USGS match your skills and interests to available summer internships all across the country. I was nominated by Dr. Philip Higuera, faculty in the W.A. Franke College of Forestry and Conservation. I worked in his Paleoecology and Fire Ecology lab as both a lab assistant and field technician throughout my undergraduate experience. Given my background in wildlife biology, ecological restoration and fire ecology, I had the opportunity to interview for several diverse positions. Of these great internship opportunities, I opted to take a position in Maryland, working as a wildlife biologist on a project focused on waterbird research on a restoration island in the Chesapeake Bay.
My position was a dynamic learning experience located in an incredibly unique setting. Poplar Island itself was almost overtaken by erosion and sea-level rise until the U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, USGS and the Maryland Environmental Service began working collaboratively to recreate the island by filling it with clean dredge materials from the Chesapeake Bay. Today, the island has been restored beyond its original footprint and serves as vital remote island habitat for countless waterbirds, pollinators and other wildlife. Working in collaboration with USFWS, our team focused on monitoring the populations of common tern (Sterna hirundo) and the Maryland state-listed least tern (Sternula antillarum) that utilize Poplar Island as a nesting site.
Banding a least tern chick
Relocating an Eastern king snake (Lampropeltis getula)
Every day was different, but the majority of our time was spent conducting nest-searching surveys throughout the colonies, looking for and recording nests, eggs, chicks and banded terns. Once the majority of the colony hatched, we banded hundreds of tern chicks in order to effectively monitor reproductive success as well as the population. In addition to working with the terns, we conducted surveys in wading bird rookeries on the island, containing ibis, egret and heron species. Our team also assisted with other scientific studies taking place on the island including osprey banding, pollinator surveys, wildlife rehabilitation, and snake and turtle relocations. Beyond the fieldwork, I also managed and analyzed the raw data collected, created colony maps in GIS, and developed a more efficient nest searching method utilizing Avenza Maps.
Through my work on Poplar Island, I was able to grow both professionally and personally in a collaborative setting that gave me a unique opportunity to study wildlife populations, ecological restoration and the human dimensions that influence both. I’m grateful to Dr. Higuera for nominating me for a program that has prepared me for a professional career in conservation and encourage other faculty and students to look into the ESA/USGS program for undergraduates and recent graduates.
Allison Hendryx holds an osprey
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USA - Una colonia di uccelli protetti ( Sternula antillarum) distrutta in Alabama dai bagnanti
Hanno spaventato gli esemplari adulti e usato le uova per delimitare un campo da beach volley. Gli esperti denunciano la morte di centinaia di pulcini
(foto: Dick Daniels, via Wikipedia)
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