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lyskonoh úzkozobý, samice / Red-necked Phalarope, female (Phalaropus lobatus)

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lyskonoh úzkozobý, samice / Red-necked Phalarope, female (Phalaropus lobatus)

lyskonoh úzkozobý, samice / Red-necked Phalarope, female (Phalaropus lobatus)

lyskonoh úzkozobý, samice / Red-necked Phalarope, female (Phalaropus lobatus)

lyskonoh úzkozobý, samice / Red-necked Phalarope, female (Phalaropus lobatus)

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Úterý, 05 Květen 2009 19:00

S Ústřičníkem nad hlavou – webcam

Pár Ústřičníka velkého na hnízděUž potřetí v řadě zahnízdil na střeše budovy Přírodních věd Univerzity v Bergenu (Norsko), tj. jen dvě patra nad mou kanceláří, pár Ústřičníka velkého (Haematopus ostralegus). Ačkoliv je tento pták vázaný hnízděním převážně na otevřené plochy podél pobřeží, byl na několika místech ve světě popsán tento druh hnízdění – tzv. „roof-breeding ( = hnízdění na střeše)“ – nejznámější je populace asi 230 párů (v roce 2004) Ústřičníka velkého hnízdících na střechách skotského města Aberdeen. Z dalších zemí odkud byl tento fenomén popsán jsou to kromě Norska a Skotska ještě Holandsko, Finsko, Belgie, Lotyšsko a Německo.
Náš sledovaný párek Ústřičníků se letos objevil poprvé 8. března, kdy byl poprvé pozorován na střeše budovy; 26. dubna byla v hnízdě již dvě vejce a o dva dny později, 28.4. snesla samička poslední vejce. Dospělci nyní sedí na snůšce a vy se na hnízdo můžete podívat prostřednictvím webkamery umístěné vedle jejich hnízda a přečíst si celou story (v angličtině) o místní rodince na tomto odkazu:

 

 

 

Aktualizováno Neděle, 05 Červenec 2009 17:38
 
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