July 2018

Three weeks of greater spotted eaglet nest life

Screenshot from webcam  Hagnat, LK forum

Translation Liis

 

Estonian text posted 22.06.2018

 

Birthday child

 

Greater spotted eagle       Suur-konnakotkas       Aquila clanga v. Clanga clanga

 

The time has passed quietly and seemingly unnoticed, and the eaglet became three weeks old in the care of its parents.

Long moulting period for mute swans

Photos Arne Ader
Translation Liis

 

Estonian text posted 29.06.2018

Kühmnokk-luikede sulgimiskogum

Gathering of moulting mute swans

 

Mute swan         Kühmnokk-luik      Cygnus olor

 

We meet such gatherings of swans in sea bays already for  weeks. The moulting lasts for a long time, swan feathers can be seen on the shore and on a calm water surface still in August..

Swan flocks feeding in such shallow waters are mostly non-breeding young birds but also adults whose breeding has been unsuccessful for various reasons.

 

Same-sex pairs rarely found among passerines

Linnuvaatleja science news,  www.linnuvaatleja.ee

Translation Liis

 

Estonian text posted 27.06.2018

Sexually oriented behaviour between individuals of the same sex – climbing on back, copulating, seducing partner – has been observed in several bird species and mostly among females. The partners may for instance groom each others plumage, build or share a nest and even incubate eggs. Sexual acts between male birds are known from at least 93 bird species of which however only 18 cases (19%) have been identified in pairs in permanent relationship; most frequently male pairs are found among geese (Anseriformes) and suliform (Suliformes) birds. There are however only rare reports of common nesting attempts among male birds.

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