> > From: AlunFoto <[EMAIL PROTECTED]> > Date: 2008/07/08 Tue PM 02:00:18 GMT > To: "Pentax-Discuss Mail List" <[email protected]> > Subject: OT - Question to birding people > > Gang, > > Tim and I are puzzled by a behavioural trait in the Great Skua at > Runde, which we can't find any good explanation for on the web. > > The skua is a rather aggressive bird, known to dive-bomb people coming > too close to the nest. However, at Runde the birds would also > frequently sit down on the path, and keep sitting until people come > quite close; up to a couple of meters. > > The most likely candidate explanations, imo, are: > 1. This is a beginning predator diversion behaviour, that the bird > will fly up, move away from the nest and sit down again to lure people > away from the nest. > 2. This is simple territory marking; "here i reign, don't step closer".
Unlikely without some associated form of display. > 3. Predator inspection behaviour. > 4. habituation to human presence. Probably the most likely. I have been within 10m of a live heron recently, which is pretty near impossible normally. > > Would appreciate all kinds of ideas and pointers, since the > implications for disturbing the nests are quite different, depending > on the reason for the behaviour. > > Jostein > > -- > http://www.alunfoto.no/galleri/ > http://alunfoto.blogspot.com > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > ----------------------------------------- Email sent from www.virginmedia.com/email Virus-checked using McAfee(R) Software and scanned for spam -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

