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Whales and dolphins of Oman - Dolphins, Humpbacks and Blue whales!

whales/Oman_humpback_breaching_F_Kennedy

By Fergus Kennedy of the Oman Whale and Dolphin Research Group (OWDRG)

I was awoken from a deep slumber by the shout of ‘Blow!!' outside my cabin door. I staggered outside rubbing my eyes in the early sunshine of an Arabian dawn. Climbing the stairs to the highest deck of our traditional Arabian sailing dhow, I grabbed a pair of binoculars and sure enough, about a kilometre off our port bow, I could make out the several low white puffs erupting from the mirror-like surface of the sea. They looked like Sperm-Whales and as we got closer our suspicions were confirmed. A group of ten, moving slowly but purposefully at the surface for a few minutes, every so often raising their flukes and gracefully disappearing from view only to re-emerge a few hundred metres away several minutes later. We were still watching the spectacle, awestruck, when a crew-member shouted excitedly, we swung round to see, in the distance another group of white puffs. In all we spotted an estimated 55 sperm whales that morning, in groups of 10 -18. We even witnessed the unusual sight of a large male breaching repeatedly.

Oman - A Cetacean hotspot?
Oman may not be well known as a whale and dolphin hotspot, but our research with the Oman Whale and Dolphin Research Group (OWDRG) had turned up some surprising discoveries over the past five years. We had recorded sightings of twenty species of cetaceans. Highlights included a group of over 2000 long-beaked common dolphins (Delphinus capensis) churning the surface into a foamy mass over a huge area, having our tiny orange inflatable boat dwarfed by a mighty blue whale and watching a humpback whale breach repeatedly over 30 times. The not-so-glamorous, but equally useful work included dissecting a very rotten and very smelly Cuvier's Beaked Whale (Ziphius cavirostris) on a beach with temperatures nudging 40 degrees.

Common dolphin and calf off Oman. Copyright Fergus Kennedy.

Common dolphin and calf off Oman. Copyright Fergus Kennedy.

Muscat coast - Dolphins galore
The most accessible part of the coast of Oman lies directly off the capital, Muscat. Here there are various tour operators offering dolphin-watching trips. The most commonly encountered species off Muscat are spinner dolphins (Stenella longirostris), which delight the viewer with their spinning leaps. The Spinners are often joined by long-nosed common dolphins, in mixed groups. Also encountered off Muscat, but on a less regular basis are Bryde's Whales (Balaenoptera edeni), Humpback Whales (Megaptera novangleae), Risso's Dolphins (Grampeus griseus), Bottlenose Dolphins (Tursiops aduncus), False Killer Whales (Pseudorca crassidens) and the occasional Killer Whale group (Orcinus orca) amongst others. The winter months (October-March) mean tolerable temperatures out on the water, but a slightly higher chance of encountering choppy weather. Around Muscat the summer months mean heat and humidity, but often calmer seas.

Heading down the coast, once you round the corner of Ras Al Hadd (with its famous turtle nesting beaches) and enter the Arabian Sea, the summer months are dominated by a hugely important seasonal occurrence. The southwest monsoon, between the months of June and September bring strong winds and waves to this more remote coastline. Nowhere is this more strongly felt than in the vicinity of Salalah in the far south of Oman. Here the moisture-laden air hits the hills of Jebel Samhan and forms dense fogs and rain is common. The barren landscape is transformed into a lush Garden of Eden. Under the sea a parallel transformation occurs. Gone are the warm, clear, tropical waters of the winter months, replaced by cold, nutrient rich waters welling up from the depths, driven by the surface winds. Suddenly kelp forests spring up alongside the coral gardens and the sea fills with plankton, kick-starting an unbelievably productive marine ecosystem. This has huge consequences for cetaceans living along this coast.

Humpback fluke off Oman. Copyright Fergus Kennedy

Humpback fluke off Oman. Copyright Fergus Kennedy

Resident Humpback whales
For many years OWDRG have been studying a small group of humpback whales on this coast. After hours spent recording the haunting songs of the males using hydrophones, taking DNA samples and using photo-ID an interesting pattern has emerged. It seems that these whales are some of the very few Humpbacks which don't migrate. They simply don't need to. In the winter, they enjoy relatively calm, warm waters for breeding, then come the summer, the productivity kicks off and they have all the food they could need. Our results seem to confirm this, as we have recorded sighting of humpbacks on this coast for every month of the year (although sightings during the monsoon are difficult due to fogs and high seas). Their songs seem to be very distinct from those of other humpback populations around the world.

Blue whale fluke off Omani coast. Copyright Fergus Kennedy.

Blue whale fluke off Omani coast. Copyright Fergus Kennedy.

Humpback & Blue whales
The steeply shelving coast to the east of Salalah, near Mirbat, provides the backdrop for many of our Sperm Whale sightings. Here the deep gullies and trenches reaching depths far in excess of 1000m provide the ideal terrain for these impressive leviathans to hunt squid. It is in this area that we have also had several unforgettable encounters with Blue Whales. It is suspected that these Blue whales also may not need to bother with the lengthy polar migrations, but our sightings are so sparse that it's too early to draw any conclusions. This scarcity is largely due to illegal whaling operations by Russian ships in the 1960's, which reported catches of 1200 Blue Whales from the wild coastline of Yemen and Oman. Whale and Dolphin watching off the Arabian Sea coast is still in its infancy and few, if any operators offer specific trips. However, it is always possible for the adventurous to charter a boat and make their own discoveries.

Further information

Book: Whales and Dolphins of Arabia by Robert Baldwin ISBN 0 9526605 02

Whale and Dolphin Watching Tours:
Arabian Sea Safaris (http://www.arabianseasafaris.com/ )
Gulf Leisure (http://www.gulfleisure.com/ )
Marina Bandar Al Rowdha (http://www.marinaoman.com/ )
Muscat Diving and Adventure Centre (http://www.omandiving.com/ )
Oman Dive Centre (http://www.diveoman.com.om/)

Musandam - Humpback dolphins
At the other end of the country, in Musandam, a rugged outcrop of land which sticks out into the straits of Hormuz, deeply incised fjord-like inlets are home to a population of Humpback Dolphins (Sousa chinensis). You can reach Musandam most easily via a short flight from Muscat or if you find yourself at a loose end in Dubai, you can drive from there in a few hours. Once in the regional capital, Khasab, it is easy to join a tour on a traditional dhow, to include a picnic lunch, wildlife watching and even kayaking, snorkelling and diving if you're feeling adventurous.

You really could encounter whales and dolphins almost anywhere along Oman's long and varied coastline, but for those short on time, a dolphin-watching morning or evening off the coast of Muscat, combined with visits to the spectacular mountains, the turtle-nesting beach and a night or two camping under the stars in the majestic Wahiba Sands could make for a really memorable Arabian experience.

Oman map, courtesy of the Oman Whale and Dolphin Research Group (OWDRG).

Oman map, courtesy of the Oman Whale and Dolphin Research Group (OWDRG).

The Oman Whale and Dolphin Research Group

The Oman Whale and Dolphin Research Group consists of local volunteer scientists who work together to collect and disseminate knowledge about Oman's cetaceans. It operates under the newly formed Environment Society of Oman (ESO). They are independent researchers, whose work is recognised and approved by the Ministry of Regional Municipalities, Environment and Water Resources. They also work closely with the Oman Natural History Museum, the Ministry of Agriculture and Fisheries, and the Raysut Marine Laboratory.

Click here for more information about Oman

All images are copyright Fergus Kennedy. 

Humpback whale tailslapping. GCopyright Fergus Kennedy.