BREAKING: First
Chicks!
This week
marked two major milestones of the season here on Rockabill. Firstly, we are in
the midst of the all important nest census (or in the official parlance; The Great
Egg Hunt). The nest census involves us covering every inch of ground including paths,
tops of walls and the most unlikely looking undergrowth. Counting the number
and size of the clutches for each species is a vital part of monitoring the effectiveness
of the our conservation efforts for the Roseate, Common and Artic terns. An
accurate count of nests on the island along with the data from our intensively
monitored study plots gives us information on the number of fledglings produced
by Rockabill each year. The nest census also tells us the number of breeding
pairs on the island- one of the most important measures of the health of any
species.
Our first Roseate chick, sheltering in a nestbox. Picture taken under NPWS licence. |
Today we
were very excited to find our first chicks of the season! Our first Roseate chick
hatched in a nest box and we stumbled across a very well camouflaged Common Tern
during the census. This means we are moving into a new phase of our duties here
as wardens. We will monitor the growth rates of each chick in our study plots
which is a great indicator of their health and ultimately the quality of their
diet. The ability of the adult terns to fish is a major concern as our marine
resources are severely strained due to overfishing. Hopefully our feeding
studies later in the season will shine more light on this aspect of the terns
ecology.
Freshly hatched Common Tern. Picture taken under NPWS licence. |
The noble visage of Andrew Power, grandly surveying all that lays before him. |
Finally, a
huge shout out to Andrew Power who was here last week to carry out fieldwork
for his PhD on marine contaminants. It
was a privilege to have one of Irelands leading wildlife conversationalists (sic) in
our midst! Come back (bring food).
-SS
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