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European herring gull


The European herring gull (Larus argentatus) is a large gull One of the best known of all gulls .... The bill is yellow with a red spot and there is a ring of bare yellow skin around the pale eye. T...

Why Do Gulls Have a Red Spot on Their Bills? | Audubon


Oct 7, 2013 ... This story comes to you through a partnership between Audubon and BirdNote, a show that airs daily on public radio stations nationwide.

Seagull facts and information - Steven P. Wickstrom website


The word Laridae is from the Greek word meaning “ravenous sea bird.” The term .... The bill is yellow with a red spot near the tip of the lower mandible. The back ...

function of coloured bill tips, stripes and spots in breeding gulls


(i.e. a red tip or spot), whereas smaller-billed species have uniform bills. We therefore ... The importance of taking phylogenetic effects into account during.

Identification Keys and Tips - "Typical" Gulls


Keys and Tips for Identifying "Typical" Gulls - Differentiating between Ring-billed, California, ... in the winter can attract significant numbers of gulls, including the rarities shown on this page. ... Bill: Yellow, with black and red spots on lower bill.

Identification of Pacific Northwest Gulls · University of Puget Sound


Comments on Identification of Certain Adult Gulls of the Pacific Northwest .... Larger gulls have relatively thicker bills, an important aid in judging size, especially ... Caution: All of the larger gulls with red bill spots, as their bill changes color with ...

Laughing Gull, Identification, All About Birds - Cornell Lab of ...


Laughing Gulls are summer visitors to the Northeast and year-round sights on the coasts of the Southeast and the Gulf of Mexico. ... Field MarksHelp .... their crisp black hoods and red bills make them easy to pick out from other gull species.

Herring Gull, Identification, All About Birds - Cornell Lab of Ornithology


Herring Gulls are large gulls with hefty bills and robust bodies. ... with long yellow bill; Gray back, bright white head and underparts; Red spot near tip of lower bill ...

Ring-billed Gull, Identification, All About Birds - Cornell Lab of ...


Familiar acrobats of the air, Ring-billed Gulls nimbly pluck tossed tidbits from on high. ... look closely, as some other species have black or red spots on the bill.

In defence of seagulls | Stephen Moss | Environment | The Guardian


Aug 18, 2009 ... Among his discoveries was that the red spot on the lower part of the herring gull's ... demonstration of the importance of pre-programmed behaviours in nature. ... on the island of Anglesey, filming a gull colony with Bill Oddie.

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Herring Gull - | The Wildlife Trusts


Swooping in and stealing your chips, the herring gull is the 'typical seagull' and is a ... This red spot spurred one of the classic studies in animal behaviour in the 1950s, ... Having seen gull chicks peck at their parents' bills to encourage them to  ...

Pecking the Red Dot: Herring Gull Myth or Fiction? - Acronym ...


Mar 26, 2009 ... Tinenberg found that the baby gulls will peck at a red spot more ... "One of Nikolaas Tinbergen's most important contributions is that he has ...

California Gull, Identification, All About Birds - Cornell Lab of ...


Appearance. Gulls ... Yellow bill with black ring near the tip and red spot on lower mandible. Head and ... Bill yellow with black band and variable red spot.