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Manu Minute: The pleasant palila

Ann Tanimoto-Johnson Palila, AMT_0598.jpg
Ann Tanimoto-Johnson
Palila are large for native honeycreepers, just a bit smaller than the regular red Northern cardinals you may see in your backyard. They have yellow heads with black lores, yellow breasts, and white-cream colored bellies. Males are more brightly colored yellow than females.

The palila is the last finch-billed native honeycreeper. These rare birds have all but vanished from the Hawaiian Islands, with the exception of a few small patches of high elevation forest on the west side of Maunakea on Hawaiʻi Island.

Palila spend their days munching on the seeds and flowers of māmane trees. The palila's relationship to māmane is a singular one. Its bill is specifically adapted to crack open the hard shells of māmane seeds.

Most birds would find this meal to be more trouble than its worth, as these green seeds contain toxic amounts of quinolizidine alkaloids and phenolics, and high levels of non-digestible fiber. But that's no deterrent for the palila!

The palila was first listed as an endangered species over five decades ago. While conservation efforts may have saved this bird from disappearing altogether, the total population of palila is still less than 1,500 individuals.

AMTJ_Manu Minute Palila Spectrogram Video.mp4

Patrick Hart is the host of HPR's Manu Minute. He runs the Listening Observatory for Hawaiian Ecosystems (LOHE) Lab at the University of Hawaiʻi at Hilo.
Ann Tanimoto-Johnson is the Lab Manager & Research Technician in the Hart Lab/Listening Observatory for Hawaiian Ecosystems (LOHE) Bioacoustics Lab. She researches the ecology, bioacoustics, and conservation of our native Hawaiian forests, birds, and bats.
Savannah Harriman-Pote is the energy and climate change reporter.
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