Carnage!

This entry is part 1 of 47 in the series British Antarctic Survey

WARNING!

NOT FOR THE FAINT-HEARTED.

PLEASE DON’T CONTINUE READING

THIS POST IF YOU ARE AT ALL SQUEAMISH.

Giant Petrels scavenging
Giant Petrels scavenging on an Elephant Seal

Although not the prettiest birds to grace the planet, if you ever get the chance to see giant petrels in the wild, they will command your respect like few others. There is nothing quite like watching the coming together of hundreds of these majestic giants at a recently deceased corpse.

Covered in blood!

With piranha-like efficiency, giant petrels can tear hundreds of kilograms of flesh from an elephant seal skeleton in hours, with powerful tube-nosed bills strong enough to crack open a seal skull. Plunging deep into the carcass, the heads and necks of these usually exquisitely preened birds quickly become coated with bright red blood and gore.

Fighting for a place at the dinner table

Equally as striking is the intraspecific competition for the optimal place at the carcass. The birds posture with wings spread and tails fanned, moving their heads from side to side whilst emitting their best war songs – unforgettable primitive guttural cries – to deter challengers.

Giant Petrel Displaying
Tail Fanned in display

If the deterrent is unsuccessful, the birds clash chest to chest, locking bills and slapping wings until one challenger concedes. It’s a spectacular display of carnage from this ultimate scavenger.

Low Blow
Fighting besides the BBQ

Because the males are larger than the females, gatherings such as this are usually between males whilst females tend to forage at sea where competition is less harsh.

Angry prehistoric looking birds
Almost Velocoraptor like
They do it on the water to!
Brutal birds!

Belated Birthday Blog!

This entry is part 28 of 47 in the series British Antarctic Survey
Birthday Leopard Seal
Birthday Leopard Seal

I thought being in South Georgia on my birthday was enough of a present. When you are living in paradise, it’s hard to wish for anything more than ‘normal’, which is pretty damn spectacular. However my birthday week proved to be especially eventful. Not only was it the best week of weather we’d had since I arrived, but I also saw two of the ocean’s most deadly predators and got to handle South Georgia’s answer to dinosaurs!

Leopard seal keeping a watchful eye on a brown skua
Leopard seal keeping a watchful eye on a brown skua

With the weather so incredibly calm and settled, we’d have been stupid not to take advantage and get out and about. Our travel limits allow us to get to other peninsulas for a holiday. It is necessary that all of us who are qualified to drive the boats are familiar with all the waters in our travel limits. On one of these familiarisation trips to Cumberland Bay West, we managed to get all the way to the base of the Neumayer Glacier.

Lewis and Tim on one of the ribs heading away from base
Lewis and Tim on one of the ribs heading away from base

It is always absolutely incredible to see the glaciers up close. This was the first time I’d been so close to the Neumayer. As I have mentioned before, the Neumayer is receding at 400+ metres a year – I appreciate the fact that this is an astoundingly high figure, but until I had driven over miles of ocean, still marked as land on our map, where the glacier had stood just a few years previously, I did not comprehend exactly what this meant.

The Neumayer glacier from 2 miles away where the glacier once sat
The Neumayer glacier from 2 miles away, where it once sat
Neumayer glacier and reflection in the sea
Neumayer glacier and reflection in the sea

As we travelled up the moraine, there was evidence of the glacier’s former size for miles around. The mountain sides were scoured with marks where the ice had once flowed, ripping rock apart. Remains of once full lakes dammed by the cosmic glacier at the foot of vast valleys were now freely draining into the sea.

Scouring on the mountainside above the glacier
Scouring on the mountainside above the glacier

It was clear to see that the glacier had been very active throughout the morning with huge ice flows present right out of the mouth of the moraine.

Couple of larger pieces of recently calved ice
A couple of larger pieces of recently calved ice

Even more exciting for me, the bird geek, were the thousands of Antarctic Terns feeding at the face. Seeing the diminutive birds feeding alongside such a colossal natural masterpiece was really special. Their continual high-pitched screeching took me back to when I worked on the Farne Islands!

Glacial rivers pour beneath the ice, absorbing organic material that eventually flows into the ocean at the face of the glacier. The terns feed on the small fish and invertebrates that are nourished by this organic matter.

Terns feeding at the foot of the glacier
Terns feeding at the foot of the glacier

It wasn’t just terns feeding amongst the glacial debris….

Cape Petrels and their reflections
Cape Petrels and their reflections

Apart from seeing all of the incredible breeding species South Georgia has to offer, I arrived with huge hopes of seeing Leopard Seals. With the first sightings for King Edward Point normally coming in April, I wouldn’t normally be disappointed with not having seen any at this point of the year but with sightings already being relatively frequent from cruise ships and other team members, I was beginning to think they might be deliberately hiding from me! Another important part of the work here is contributing photos for the Leopard Seal photo library but until last week I was drawing a blank. However, whilst on our way out of the Neumayer moraine, I finally came across two of these magnificent killing machines relaxing on glacial debris.

A brief glimpse of the teeth of the leopard seal
A brief glimpse of the teeth of the Leopard Seal
Leopard Seal chilling
Leopard Seal chilling 1
Leopard seal relaxing on the calved ice
Leopard Seal chilling 2 – on the calved ice

The pair both measured 2.5m in length and even from the security of the boat, my heart rate was through the roof. What made the experience even better was that it happened on my birthday!

Its a hard life, yawning leopard seal
It’s a hard life – yawning Leopard Seal
The second leopard seal before it slid into the water
The second Leopard Seal before it slid into the water

*    *    *    *    *    *    *    *    *    *

It is always enjoyable to get hands-on experience with the wildlife in South Georgia but we try to keep this to a bare minimum in order to ensure our studies don’t affect the success of the animals. However, the growth and development studies involve weighing of both the Gentoo chicks and Antarctic Fur Seal pups; in addition, we also weigh and take biometrics from Giant Petrel chicks.

Matthew weighing a seal pup during the february pup weighing session
Matthew weighing a seal pup during the February session

Last week was the turn of the Northern Giant Petrel chicks and the Antarctic Fur Seals. Fortunately, the seal-weighing was uneventful for all involved and everyone had a great day, despite the large size of the pups and their canines. The Giant Petrels, however, have left me with a number of incredibly deep scratches and a coat reeking of their vomit, which no amount of washing will clean. Having said this, to get up and close with such an incredible, huge, prehistoric looking bird was something I will remember for the rest of my life!

Ready to fledge Giant Petrel chick
Ready to fledge Giant Petrel chick

On a final note, we had a very strange visitor to base this week in the form of a Blue-Eyed Shag Chick. I have no idea how this downy bird made it to us because the closest breeding colony is miles away. He did, however, look very happy and content relaxing in front of base.

Juvenile shag in front of base
Juvenile Shag in front of base