The link shows up in an unusually long dietary study of great skuas
nesting on the Scottish island of Foula in the western North Sea, says Stephen C.
Parasitic Jaeger + + Long-tailed Jaeger + B Great Skua
- - Franklin's Gull - - Black-headed Gull - - Mew Gull - - Thayer's Gull + + Iceland Gull - - Glaucous Gull B?
, large seabirds not given to subtlety, sometimes kill each other during disputes over a mate, reports Robert W.
The day before, a Leach's storm petrel had flown past Porthcawl and a great skua
, or "bonxie", had been rescued from Port Talbot beach and brought to the Kenfig Reserve Centre to be cared for.
A big burly great skua
did much the same, only it targeted kittiwakes and lesser black backed gulls.
I update the daily bird news for the Glamorgan Bird Club's information line - a service provided for the club's 150 members - and the latest news includes a great skua
and grey phalarope, both brought in by the storms last weekend.
The boys loved the sight of a great Skua
, or bonxie, attacking a much larger gannet to make it drop its load of fish.
'PUT that storm petrel down not a demand I issue everyday, but it had little effect on the brute of a great skua
that had pounced in the Atlantic swell I was seawatching in gale force winds off Aird An Runair, the most westerly tip of the Outer Hebrides, where Mrs D and I were enjoying our summer break.
The great skua
is a big and powerful bird, chasing the other sea birds until they disgorge their last meal.
Seawatching from the Little Orme at Penrhyn Bay also paid off with the star prize being a Great Skua
. Usually with sea watching a good bird just flies right by and is quickly lost to view,but this time it was different.
Dozens of little gulls picked items from the raging surf, a glaucous gull patrolled the tideline, a Leach's petrel battled the winds and a great skua
preyed on smaller birds weakened by the storm.
On the beach 80 sanderling and not far away a great skua
lingered off Criccieth, with 33 whooper swans on the Glaslyn marshes.