Monday, July 18, 2016
Native bird loss: a tragedy told in colors.
The scale of the loss of
Hawai`i’s native birds is beyond imagining.
It’s just icing on the cake
that Hawaiian native birds are some of the most colorful, imaginatively plumed
and outrageously beaked birds to be found. Or rather, to have lost.
A new book by Michael
Walther, with paintings by Julian Hume, tells the story. It is “Extinct Birds
of Hawai`i,” by Mutual Publishing.
Walther calls the loss of
species “an ongoing bird catastrophe unequalled in world history during the
last 700 years.”
There may be more, but 77
species and subspecies are known to have gone extinct. There are just 26
species of native land bird left.
Hume had to take some
liberties with the coloration of birds that went extinct earliest, since many
are only known from old bones found in caves and sinkholes. Many others, which
have become extinct in the past couple of centuries, have been drawn from life
by early birders or can be studied as museum skins, their colors still vivid. There are
photographs of the ones lost during the last century.
I was particularly struck by
the photo of one of the last three Laysan apapane, singing while perched on a
coral outcropping.
Before Captain Cook sailed up
to Waimea on the Big Island, the Islands had already lost owls and petrels and
geese, ducks and ibis and finches, an eagle, a harrier and a host of flightless
crakes, plus some others, like the Kaua`i palmcreeper and the King Kong
grosbeak..
Most of the big birds were
long gone before Europeans arrived. Then began the decimation of the jewel-hued
forest birds.
Nowhere else on the globe has
lost so many birds. New Zealand is second, with 50 to Hawai`i’s 77. The
Mascarene Islands have lost 37, Tahiti 16, Madagascar 15, and so forth.
Islands accentuate the loss,
partly because islands promote diversity, partly became small land areas are
more vulnerable to habitat destruction and invasive species.
The Hawaiian avifauna,
birdlife, was impressive.
The giant Hawaiian goose was
more than four times the size of the Hawaiian state bird, the nene. A thundering example of birdhood.
The favored food of the Molokai
stilt own was the Maui Nui finch. We know that from deposits of the fecal
pellets of the owl. Both are extinct now.
There was a nukupu`u with a
simply stunning bill—more than half the length of the rest of the bird. It was
named the Giant Scimitar-billed nukupu`u.
“Species which took millions
of years go evolve have been decimated in a geological blink of an eye,”
Walther wrote.
The saddest story is not that
we’ve lost so many, but that we’re still losing them.
This volume sparely tells the story, and the risk as we stumble into a vastly poorer and less interesting future.
© Jan TenBruggencate 2016
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Posted by Jan T at 11:14 AM
Labels: Birds, Book Review, Conservation, Zoology
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1 comment:
This line of yours: Then began the decimation of the jewel-hued forest birds. Wow.
How cool it would have been to sail ashore and experience these islands when all these birds were around.
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