Researchers with a team monitoring bird populations at Powdermill
Nature Reserve, in Rector, Pennsylvania, netted a surprise on
September 24: a rose-breasted grosbeak with bizarre coloring. It had
the bright scarlet feathers of a male grosbeak on one side of its
body and the canary yellow plumage of a female on the other.
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sometimes ‘supercharge’ the storms that follow Animals Birds are
crashing into NYC buildings. Record numbers are being rescued. When
they saw the robin-size songbird’s split coloring, it was
immediately clear that the grosbeak was what scientists call a
bilateral gynandromorph—an animal that appears half male and half
female.
“There was no question about it,” says Annie Lindsay,
bird banding program manager at Powdermill. Measurements also
revealed that the bird’s right wing was slightly longer than the
left, typical of the difference between male and female
grosbeaks.
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Every animal can thank a mom for making life possible. But the
animal kingdom’s many mothering methods are as different as
orangutans and octopuses. Some mothers lay eggs, in treetops or on
the seafloor, while others labor through long pregnancies and live
births.
Lion moms may live with their daughters for life,
harp seals must cram every bit of their maternal care into less
than two weeks, and many lizards never meet their offspring at
all. Some mothers, like octopuses, sacrifice their lives to give
the next generation its start.
Just keeping babies alive long enough to reach adulthood is a
challenge. But moms also have to teach their young how to be a
monkey, a cheetah, a whale, or a falcon.
“Many species seem
to recognize that the young really don’t know what they are
doing,” says animal behavioralist Jennifer Verdolin, author of the
book Raised by Animals, “so they are given a kind of grace period
to learn.”
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Every tree tells a story, but some are beyond eloquent, holding
memories, embodying belief, marking sorrow. We hold trees in our
imagination, where they grow in strange, wonderful ways in forests
inhabited by fantasy and also by our fears.
In fable and
legend, a forest shelters spirits, witches, and once upon a time,
a big bad wolf.
Also white harts that leap just ahead of the
hunter’s arrow, and a hermit who may emerge just in time to nudge
along a tale that ends happily ever after, but sometimes not.
We
incorporate the rich metaphors that trees provide: We turn over a
new leaf and branch out; ideas blossom and bear fruit.
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