Mute Swan Attack!

A mute swan attack on an unsuspecting human is not rare. It is wise to give them a wide berth where you can. Especially if they have young cygnets to defend. 

However, on a walk around the Heronry Lake at Paxton Pits, Cambridgeshire, in July 2021 we discovered they attack each other! There were two pairs of mute swans on the lake. The male of one pair swam much too close to the other female and ended up paying the price for his mistake. 

At first, it seemed like the dominant male was sending a message to the interloper, with much wing flapping and splashing. Being there with my camera, I captured the action as it played out. 

Fighting swans

As a wildlife photographer I would never interfere with a bird's natural behaviour, and in fact getting any closer to these birds would have been dangerous. It was my job to watch and document the drama as it unfolded. 

Mute swan fight

Protecting the cygnets?

The dominant male's partner had three partly grown cygnets, and this was likely the reason for this mute swan attack. Swans are very protective and territorial. 

In the photo below you can see the swan that was tending the cygnets putting herself between her babies and the fighting males. 

Three mute swans during a fight

At this point in the event, my husband and I weren't sure if the males had gotten tangled and were unable to separate. Their necks were entwined and they were flapping their wings frantically. 

Mute swans with tangled necks

Do swans bite?

But as they started biting at their opponent's wings, and necks viciously it became obvious that this was a full blown fight! The pen kept guard to keep her cygnets out of the danger zone. Looking at my phone, I realised the swan's had been fighting for 20 minutes. 

Mute swans attacking each other

The flapping was slowing down, but they were still biting each other's necks. 

Mute swans biting each other's necks

Then one swan broke free and sped off across the lake. The winner chased him, and we thought it was all over, and the loser had been taught a lesson.

 A Different Tactic

Swan chasing another swanGetting away?

However, that wasn't the case. The stronger swan had let the other put some distance between them. He then launched another attack, rearing out of the water and landing on the back of his opponent, stopping him from escaping. 

Mute swan fight continues

The weight of the swan on top, pushed the other one lower in the water, until only its head and neck were visible. It was obvious by now that this was serious and the intention of the uppermost swan was to drown his opponent!

I found the next photo very emotional to view on the back of the camera, as the females look so serene as they watch the vicious fight play out. The sinking swan looked in my direction and it was almost as if I could feel his terror. 

Mute swan drowning an opponent

The Common Terns Join In!

As the mute swan attack progressed the birds gradually moved across the lake towards the Common Tern nesting rafts. This met with intense disapproval from the terns, who started to dive bomb the fighting swans.  

Common Terns dive bombing fighting swans

The dominant swan was relentless in pinning his enemy under the water, and eventually let go of the neck of the sinking bird. The fight had now lasted for 30 minutes. 

Swan drowning another swan

There was still fight left in the sinking swan, and he rallied several times. However, he seemed unable to get out from under the swan on top of him. 

Swan fight victoryIs it all over?

At this time we had to move on, hoping against hope that he would regain the upper hand (wing?) and make his escape before the inevitable happened. Neither of us wanted to see a dead swan rise to the surface. 

Having never witnessed swan attacks that resulted in death before, I did some research to find out that it does happen occasionally. The saddest part perhaps, is that mute swans are said to mate for life, so there may now be a lonely female on the lake without her partner. 

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