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Birding
Bird Identification Q&A
Hybrid Swallow x House Martin
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<blockquote data-quote="hannu" data-source="post: 1003768" data-attributes="member: 19244"><p>E.g. from RESEARCH ACTIVITIES IN 1999</p><p><a href="http://www.euring.org/about_euring/newsletter3/saurola2.htm" target="_blank">http://www.euring.org/about_euring/newsletter3/saurola2.htm</a></p><p>In total, 24,134 Barn Swallows Hirundo rustica were ringed in Finland in 1999 by 138 ringers. A total of 16 hybrids between the Barn Swallow and House Martin, Delichon urbica, belonging to 10 different broods were detected already as nestlings. In Savo one out of 128 Swallow nestlings was a hybrid! In all these cases the nests were located inside the building and no House Martins were seen close to the nests. In addition, 26 hybrids were captured in 1998 as first year birds in 8 reed-beds. This means that one out of 489 Swallows ringed at roosts was a hybrid. Altogether 80 such hybrids have been reported from Finland so far.</p><p></p><p>Some hybrids more...</p><p><a href="http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr6_10.htm" target="_blank">http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr6_10.htm</a></p><p><a href="http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr4_7.htm" target="_blank">http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr4_7.htm</a></p><p><a href="http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr5_8.htm" target="_blank">http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr5_8.htm</a></p><p><a href="http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr9.htm" target="_blank">http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr9.htm</a></p><p><a href="http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/johybrid.htm" target="_blank">http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/johybrid.htm</a></p><p></p><p>the copulation of House Martin and Barn Swallow:</p><p><a href="http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/copulatie.htm" target="_blank">http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/copulatie.htm</a></p></blockquote><p></p>
[QUOTE="hannu, post: 1003768, member: 19244"] E.g. from RESEARCH ACTIVITIES IN 1999 [url]http://www.euring.org/about_euring/newsletter3/saurola2.htm[/url] In total, 24,134 Barn Swallows Hirundo rustica were ringed in Finland in 1999 by 138 ringers. A total of 16 hybrids between the Barn Swallow and House Martin, Delichon urbica, belonging to 10 different broods were detected already as nestlings. In Savo one out of 128 Swallow nestlings was a hybrid! In all these cases the nests were located inside the building and no House Martins were seen close to the nests. In addition, 26 hybrids were captured in 1998 as first year birds in 8 reed-beds. This means that one out of 489 Swallows ringed at roosts was a hybrid. Altogether 80 such hybrids have been reported from Finland so far. Some hybrids more... [url]http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr6_10.htm[/url] [url]http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr4_7.htm[/url] [url]http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr5_8.htm[/url] [url]http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/hybr9.htm[/url] [url]http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/johybrid.htm[/url] the copulation of House Martin and Barn Swallow: [url]http://www.nioo.knaw.nl/projects/boerenzwaluw/sitehtm/copulatie.htm[/url] [/QUOTE]
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Bird Identification Q&A
Hybrid Swallow x House Martin
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