4
February 2020
I met a
friendly young man when I was leaving Montevideo – he owns a company that runs
tours in a variety of places, including our next port stop which was Puerto
Madryn, Argentina, best known for the penguins nearby. Richard and I talked about revisiting this penguin colony, because when we went four years ago, the penguins either had
already left for their time at sea, or they were hanging around the colony waiting for their annual molting to be finished.
Here's a link to that blog: rollingluggagers.blogspot.com/2016/03/make-way-for-penguins.html
Richard
didn’t care about going back to Punta Tombo, but I’ve been a fan of penguins
since I was a small child, so I decided I’d go. The link to Diego’s company now has malware, so I've deleted it.
Met my
friend Diego the tour guy out on the pier, and waited while the people who
pre-booked the tour showed up. Half of
the people were from another ship that was in port that day, and they were on a
later schedule than our ship. But we
finally got into the vans, and headed south.
And as we walked over to the vans, we saw a cute little penguin in the
water, first diving for fish and then swimming in circles! SO cute!
Punta
Tombo houses the largest continent-based Magellanic penguin colony in the
world. (There may be a larger colony on
some island, this is just from the info brochures and all.) There are roughly
800,000 Magellanic penguins at this colony, although as many as 1.2 million
have been seen here this year! And while
most people try to pronounce Magellanic is Magellan-ick, the true pronunciation
is much easier – ma-jeh-LAH-nick.
Our tour
guide, David (dah-VEED), explained the life cycle of Magellanic penguins as we
drove south (for about 2.5 hours).
Magellanic penguins supposedly mate for life, and use the same burrow
every year throughout their lives. (Our
penguin scholar on board said that the myth is that most or all penguins mate
for life, while in reality they don’t, and they have a 35-50% “divorce” rate,
depending on the species of penguin.)
Anyway,
whether they mate for life or not, Magellanic penguins spend roughly six months
each year on land for mating, breeding, and letting the babies grow, and then
they spend six months a year at sea.
Each September, they return to land, the males arriving first to fix up
their burrows. The females return about
two or three weeks later, and they find their mate. Several weeks later, the females lay two eggs
– always two eggs. And after a few
weeks, the eggs hatch and the family has two babies. Both parents take turns fishing and returning
to the nest to feed the two chicks. The
babies learn to fish for themselves while they are at sea, and the one year old
penguins accompany the families. At
about two years of age, penguins are mature enough to breed. And the average life span of Magellanic
penguins is about thirty-five years.
The last
time we were here, as I said, the penguins were molting. Penguins are the only bird that molts ALL
their feathers at one time. Most birds,
even sea birds and other water birds, lose a few feathers at a time and grow in
new feathers. But penguins rely on those
stiff waterproof feathers to insulate their bodies while they swim and fish and
live at sea. So all the new feathers
grow in and push out all the old feathers at one time, and this can take a few
weeks. Until those new feathers are all
in, the penguins can’t swim – so they live off the food they’ve stored in their
bodies, and they stand around on the land, in puffs of feathers, sighing
dramatically and looking quite uncomfortable.
On this
visit, however, we saw baby penguins.
They were roughly two months old, and most were beginning to lose their
soft downy baby feathers and growing in their stiff waterproof feathers so
they’ll be able to swim north with their parents in another month or two.
When we
arrived at Punta Tombo, we had about 90 minutes to visit. The place was packed, since this is a popular
site for visitors, especially with a couple of cruise ships in port. Most people hurry along the gravel path and
raised boardwalk to get down to the end, so they can see the penguins swimming
in the water and waddling around on the beach.
I
started hurrying along, but then I looked at the river of people moving in each
direction. It really was packed. I realized even if I hurried down to the
beach, I’d be forced to hurry back, given our time limit. And I like to meet each penguin and talk to
them. So I just stopped, and decided to
enjoy where I was. I’d chat with the
penguins, take photos, and walk until our time was half over. Then I’d slowly walk back, again just
appreciating where I was.
So I met
all kinds of baby penguins, who have got to be one of the most adorable baby
animals ever. I mean, look at those
faces! Chubby penguin faces and round
little penguin bodies, with feather fluff that makes them look like they’d
float in the air! Just so soft and
cuddly looking, with cute faces and almost smiling beaks! Yeah, well, those beaks are fast and strong,
so petting baby penguins is NOT a good idea, no matter how much I would have
liked to do so.
I had
all kinds of conversations with the babies and their parents, and they happily
posed for photos. Okay, they didn’t
pose, they were just soaking up the sun as they napped standing up, but it felt
like they were posing. There were the
usual penguin dramas as two penguins danced their mating tango, while other
penguin couples groomed each other. Some
penguins preened, others bickered, and everywhere babies were crying for more
food from their parents. Baby penguins
sound like they are mewling – somewhere between a baby crying and a kitten
mewing, with a particularly shrill nasal quality to the sound.
Most
parent penguins would ignore the baby penguins crying for more food, although
some that had been out fishing would feed their babies in the usually birdy
feeding fashion. (And I’m glad I’m not a
bird!) It was funny to watch the little
penguin families, with the parent quietly sleeping as the two babies started
crying for food. Actually, it was like
babies everywhere – one baby would decide they were hungry and start crying,
which would wake up the other baby who would join in. The parent would open one eye, decide it
wasn’t feeding time, and go back to ignoring the babies, who would then weave
around the parent trying to convince them they needed food NOW, and cajole them
into feeding these poor starving chubby babies.
Really,
penguin drama in every direction!
One of
the human rules of the penguin colony is that penguins have the right of
way. So if a penguin crosses the path,
the people need to stop and stay put, keeping their distance as the penguin
decides there they are going. Some
penguins seemed to be indecisive, like pet cats – cross halfway, change their
mind, take a few steps back across the path, then walk along the path a bit
before heading across the path once again.
There
were a few families of guanaco, the camelid that is common in this desert-like
part of Patagonia. The guanaco
(pronounced gwa-NAH-coe) is related to the other camelids of Argentine, llamas,
alpaca, and vicuna, but they all live in the more hilly or mountainous
regions. Guanaco prefer the steppes and
plains that are arid, closer to the coast and flatlands of southern
Patagonia.
The
guanaco wandered around the penguins and their burrows, ignoring the penguins
but managing not to step into any of the burrow holes. The penguins kept half an eye on the guanaco,
knowing that they, the penguins, rule this site.
It was a
great day. Our bus got caught in a
sudden rainstorm and heavy winds, and there was some roadwork that slowed our
trip back. We ended up rushing down the
pier, hoping we’d make it back to our ship before the gangway was pulled
up!!! It was tense for a few moments,
but then we realized that the cruise ship’s excursion buses were also delayed
for the same reasons, so we were fine.
(The ship will wait for their own excursions, but won’t wait for private
or independent excursions. So knowing
that their excursion was just as late as we were meant we wouldn’t be left
behind if the ship sailed before we got there.)
I have
just about 100 penguin photos, so I thought I’d continue with information from
the penguin talk given by Dr. Lloyd Davis.
He’s on board our ship as part of the expedition team, and he’s one of
the world’s experts on penguins and seals!
So he’s a really great person to have on board, and is a really
interesting speaker!
There
are nineteen or so species of penguins in the world, all living in the Southern
Hemisphere. The reason the number is
uncertain is that some penguins that seem to be the same species may actually
be two different species, while other penguins that seem to be crested penguins
may be two different species of crested penguins. NINE of these species of penguins live in New
Zealand. And the oldest species of
penguins also are from New Zealand. The
Waiparu penguin, now extinct, was roughly 1.5 meters (about 4.5 feet) tall –
and of course, the fossils were found in New Zealand.
It is
believed that penguins evolved 65 to 63 million years ago, roughly about the
time that a giant meteor crashed into the Earth, resulting in major climate
changes and the end of the age of dinosaurs.
As the climate changed, so did the environment. And that changing environment meant animals
had to adapt and change to survive in that environment, which meant changes in
what they ate, as well.
At that
time, 65 to 63 million years ago, land animals began to evolve into sea
animals. There is scientific evidence
that animals like seals, dolphins, porpoises, and whales were once land animals
that evolved into the sea animals we know them to be today. Penguins, apparently, were once flying
birds. But they evolved into birds that
could dive deeper and longer than flying sea birds – and essentially, penguins
gave up flying in order to be able to swim and dive.
All the
current penguin species evolved in the last three million years (or so).
All
penguins feed at sea but breed on land.
The diversity of the land in which they live caused the variations in
the penguin species, as they have adapted and evolved to survive in a variety
of environments. For example, Magellanic
and Humboldt penguins both adapted to live in warmer environments, and thus
nest in underground burrows, keeping them cooler than other species that nest
on the ground. They also often have
exposed flesh (as in not-feathered flesh) which allows them to lose body heat
through this naked flesh. (Interestingly,
both Magellanic and Humboldt penguins have a band of black and white around
their belly.)
All
penguins have insulation from their feathers, which are stiff interlocking
feathers that trap air under and between the feathers, which then provides that
insulation. Adult penguins molt yearly,
on land – they can’t enter the water until the new feathers are fully grown in,
and the penguins preen to disperse their natural oils throughout the feathers,
making them waterproof.
Another
interesting penguin fact is that these animals evolved in places without
natural predators on land, where penguins are more vulnerable. They do encounter predators in the ocean, but
penguins swim MUCH better than they walk.
One of
the huge myths is that penguins mate for life.
Some species may, such as the Magellanic penguins supposedly do. Scientists have studied other penguins, and
it varies. Some 35 to 50% of penguins do
not re-mate with the same partners each year, and among Emperor penguins the
“divorce” or non-remating rate is as high as 85%!
You
might think it would be difficult to study penguin mating habits, since to us,
most penguins of any given species look pretty much alike. Dr. Davis participated in a study of Adelle
penguins, and they painted numbers on the back of every penguin so they could
keep track of which penguin was which, and thus track mating and remating or
penguin divorce. (The paint came out
with the annual feather molt.)
So, now
we know. Movies have led to the romantic
myth that all penguins mate for life.
Some might, most don’t.
Oh
well. They are still very cute, very
charismatic animals. Their babies are
absolutely adorable. They all look like
little tuxedoed birds, and they all play around in the water happily.
We hope
to meet more penguins, so look for more blogs!
Oh what a wonderful tour. I just love these blogs
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