But now, thanks to some keen detective work, the largest woodpecker that ever lived can be seen by the world once more – and this 85-second flight through time offers us a lesson about its behavior, and ours.
“It is stunning to look back through time with this film and see the magnificent imperial woodpecker moving through its old-growth forest environment, said research associate Martjan Lammertink, lead author of the paper along with four Cornell Lab of Ornithology staff members and two Mexican biologists. “And it is heartbreaking to know that both the bird and the forest are gone.”
The imperial woodpecker was thought to have gone extinct without anyone ever capturing photos or film of the 2-foot-tall, flamboyantly crested bird. That was until a biologist from the Cornell Lab of Ornithology tracked down a 16-mm film shot in 1956 by a dentist from Pennsylvania. The footage, which captures the last confirmed sighting of an imperial woodpecker in the wild, is available for viewing at www.birds.cornell.edu/imperialfilm.
In the color film, a female imperial woodpecker hitches up and forages on the trunks of large Durango pines and then launches into flight.
The film was shot by William Rhein with a hand-held camera from the back of a mule while camping in a remote location in the Sierra Madre Occidental in Durango state. In March 2010, Lammertink and Tim Gallagher of the Cornell Lab launched an expedition with members of the conservation group Pronatura Noroeste to identify and survey the film site. The expedition turned up no evidence that imperial woodpeckers are still alive.
The entire range of the imperial woodpecker lay in the high country of the Sierra Madre Occidental – a rugged mountain range stretching some 900 miles south from the U.S.-Mexico border – and the Transvolcanic mountains of central Mexico. The species largely vanished in the late 1940s and 1950s as logging destroyed their old-growth pine forest habitat. Imperial woodpeckers were also frequently shot for food, to use in folk remedies or out of curiosity.
The imperial woodpecker was the closest relative of the ivory-billed woodpecker, which suffered a similar decline from habitat loss in the southeastern United States and Cuba. A 2005 study by the Cornell Lab reported the rediscovery of an ivory-billed woodpecker in Arkansas, but subsequent region-wide surveys did not find evidence of a surviving population.
The research appears in the October 2011 issue of The Auk, the journal of the American Ornithologists’ Union. In addition to Lammertink and Gallagher, authors of the article include Kenneth V. Rosenberg, John Fitzpatrick and Eric Liner of the Cornell Lab, and Jorge Rojas-Tomé of Organización Vida Silvestre and Patricia Escalante of Universidad Nacional Autónoma de México.
Nota: los miembros del equipo de investigación y científicos de conservación Martjan Lammertink, del laboratorio de ornitología en Cornell y Patricia Escalante, de la Universidad Nacional Autónoma de México, están disponibles para ser entrevistados en español.
John Carberry | Newswise Science News
Researchers invent tiny, light-powered wires to modulate brain's electrical signals
21.02.2018 | University of Chicago
The “Holy Grail” of peptide chemistry: Making peptide active agents available orally
21.02.2018 | Technische Universität München
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.
But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...
Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.
The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...
Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters
Quantum computer parts are sensitive and need to be cooled to very low temperatures. Their tiny size makes them particularly susceptible to a temperature...
15.02.2018 | Event News
13.02.2018 | Event News
12.02.2018 | Event News
21.02.2018 | Life Sciences
21.02.2018 | Life Sciences
21.02.2018 | Materials Sciences