Dutch Birding volume 35 (2013) no 5
![2013-5](images/journals/2013-5.jpg)
Artikelen / papers |
275 | A new species of Strix owl from Oman [Een nieuwe soort Strix-uil in Oman] Magnus S Robb, Arnoud B van den Berg & Mark Constantine |
Extra's: Soundrecordings accompanying this paper | |
311 | Kleinst Waterhoen in Nederland: voorkomen en herziening van gevallen in 1800-2006 [Baillon’s Crake in the Netherlands: occurrence and revision of records in 1800-2006] Justin J FJ Jansen |
CDNA-mededelingen |
333 | Uitkomsten CDNA-vergadering |
Corrigenda |
333 |
WP-reports |
333 | August to mid-September 2013 Arnoud B van den Berg & Marcel Haas |
Recente meldingen / recent reports |
343 | Juli-augustus 2013 Roy Slaterus & Vincent van der Spek |
Voorplaat / front cover |
Omaanse Uil / Omani Owl, Al Jabal Al Akhdar, Al Hajar-gebergte, Al Batinah, Oman, 24 mei 2013 [Zie artikel over deze nieuwe soort op p 275-310 / see paper on this new species on p 275-310] (Arnoud B van den Berg/The Sound Approach) |
Sound recordings for the paper: "A new species of Strix owl from Oman" by Magnus Robb, Arnoud B van den Berg and Mark Constantine, DB 35: 275-310, 2013.
FIGURE 1: Omani Owl / Omaanse Uil Strix omanensis, Al Jabal Al Akhdar, Al Hajar mountains, Al Batinah, Oman (Arnoud B van den Berg/The Sound Approach).
A four-note compound hooting with clear timbre, Pallid Scops Owl Otus brucei faintly visible in background, 04:04, 26 May 2013 (130526.AB.040400/ML163398)
B pulsed hooting with clear timbre, 00:15, 24 May 2013 (130524.AB.001548/ML163396)
C alarm call, 03:15, 26 May 2013 (130526.AB.031500/ML163397)
D contact call, 01:55, 23 July 2013 (130723.AB.015536/ML163399)
FIGURE 2: Omani Owl / Omaanse Uil Strix omanensis, Al Jabal Al Akhdar, Al Hajar mountains, Al Batinah, Oman, 28 April 2013 (Arnoud van den Berg/The Sound Approach).
Five-note compound hooting with hoarse timbre (130428.AB.002745/ML163395). Recorded in territory discovered in April 2013. Bands second from bottom en top are subharmonics, contributing to hoarser sound.
FIGURE 3: Hume's Owl / Palestijnse Bosuil Strix butleri, Wadi Al Mughsayl, Dhofar, Oman (Magnus Robb/The Sound Approach)
A compound hooting of two presumed males, near (left) en far (right), 21:13, 15 april 2010 (100414.MR.211332)
B pulsed hooting of male (2.5 sec onwards, following compound hoot); two series, first consisting of four notes and second largely obscured. In background, contact calls of female, 21:46, 17 April 2010 (100417.MR.214650)
C alarm call at nest, 00:16, 18 April 2010 (100418.MR.001602)
D contact calls of pair. Male gives two higher-pitched calls, 00:16, 18 April 2010 (100418.MR.001602)
FIGURE 4: Hume's Owl / Palestijnse Bosuil Strix butleri, Petra, Jordan, 4 May 2004 (Magnus S Robb/The Sound Approach)
Compound hooting, 23:40 (04.016.MR.12903)