« Back to the list of all articles
Category: Ringing
Redstarts II. – Redstarts in puberty and on other bird teenagers
20th May 2022 | Ringing
I got an inspiration to write down this article after too frequently repeated contributions in various facebook groups, whose authors had always one in common – their astonishment that a phenomenon called “delayed plumage maturation” exists in some bird species, in particular in Black Redstart. It seems that many people have overlooked it in the books, despite the fact that this aspect is nothing hidden, obscure or otherwise concealed. I wrote this article for those of you, who would like to learn more about this phenomenon... Read more »
Redstarts I. – Hybrid redstart from Slavíč, Czech Republic
6
On 19th April 2020 an interesting male redstart was observed for the first time in Slavíč, a part of Hranice na Moravě in the Czech Republic (its observation in AVIF – Czech ornithological faunistic database). So our redstart specialist, Filip Petřík, went there to take a look at this individual to try to learn more about him. It seemed that this individual might be of hybrid origin, but the story is far from simple... Read more »
12th May 2021 | Ringing
This article was originally published in the bulletin of Czech ringing central in short version (2021/31) and in long version on my website in Czech. This is an English translation of that article. It was meant as an aid for ringers who would like to participate in a call to ring more White Wagtails during autumn migration. This species is trapped rather randomly in Czechia because it is not an easy species to trap during the breeding season. But this changes markedly during its migration and there is still a lot to learn... Read more »
8th March 2021 | Ringing European Bee-eater is probably not the commonly trapped species and most of the bird ringers probably trap them only by mere chance. It may then seem odd to start a new series of articles about ageing and sexing European birds with this particular species... Read more » 23rd February, 2021 | Ringing Dear visitors of this website, a little over a month ago, I asked you to participate in my poll which aimed to improve the gallery in a way to make the age codes used in the gallery clearer to you. I asked you what your preferred age code system would be. I received... Read more » 13th January, 2021 | Ringing Dear visitors of this website, purpose of this website is to share my photos with you. One of the aims is also to serve as a reference for you when you are ageing species you encounter in the field. Therefore, I would like to make the age codes used in the gallery as clear to you as possible... Read more » May 2022 | Ringing
Ageing and sexing of White Wagtail (Motacilla alba alba) during autumn(al migration)
Ageing and sexing of European Bee-eater (Merops apiaster)
Age codes – poll results
Age codes – poll