Thursday 8 April 2021

Almost Lights Out for Night-Heron

The view from the Chancery Lane lookout
On the afternoon of March 29th, I made a quick stop at the Chancery Lane Swamp lookout to see what birds were there.  One of the many birds I noticed was a Juvenile Black-crowned Night-Heron (Nycticorax nycticorax) and boy was it having a terrible afternoon, that was almost it's last

Grey Kingbird vs Black-crowned Night-Heron
When I approached the lookout it appeared I spooked the heron, which was just below the cliff in the mangroves.  As it flew off it was escorted to the far side of the swamp by a Grey Kingbird (Tyrannus dominicensis).  This was the first attack and one the night-heron just ignored but he could not ignore the second attack, doing so could have caused its life. Here is what happened. 
My camera battery was dying so I went to my car for a fully charged one.  Before reaching the car I heard the alarm calls of the Greater Yellowlegs (Tringa melanoleuca).  Turning around I saw a mixture of shorebirds flying around in alarm. Straight away I knew what was happening, a raptor was in the vicinity.  
Black-crowned Night-Heron vs Peregrine Falcon

 I rushed to the lookout just in time to see a 
Peregrine Falcon (Falco peregrinus)  in hot pursuit of the poor juvenile Black-crowned Night-Heron which was calling loudly while twisting and turning trying to escape the deadly talons of the bird of prey.  
Black-crowned Night-Heron twisting and turning trying to escape

Almost got him!
The agility of the heron took me by surprise and just as the falcon was about to catch it, the heron dropped to the ground.  That move saved its life.   The falcon made a few speedy dives at the juvenile but was unable to coerce it to leave the safety of the ground.  
Peregrine Falcon leaving the swamp
The peregrine finally gave up, made a few passes at a 
Snowy Egret (Egretta thula) and Common Gallinules (Gallinula galeata), before perching in a tree at the edge of the swamp.  After making another failed attempt to make the night-heron dinner, it left the swamp.  I must admit I was rooting for the juvenile Black-crowned Night-Heron all the way and was happy to see it was still alive.  I guess from the Peregrine's prospective - you win some and you loose some. 
Stay safe and enjoy you birding. 

2 comments:

  1. That is so cool, the escape move of just dropping to the ground is interesting, some moths do that to escape bats.

    ReplyDelete
  2. It was interesting. The shorebirds normally take to the sky.

    ReplyDelete