Talk:Common Cuckoo
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Common Cuckoo is included in the 2006 Wikipedia CD Selection, or is a candidate for inclusion in the next version. Please maintain high quality standards and, if possible, stick to GFDL-compatible images. |
Snowman 22:24, 23 May 2006 (UTC)
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It is requested that a photograph or photographs be included in this article to improve its quality, if possible. Preferred photos show the complete animal, head to tail. Additional photos should add information, such as a face-only shot or distinct coat color or texture variants. Please do not include restricted copyright or "fair use" images. |
It would be nice to have a photograph of cuckoos. Is there one on another language wiki?
What's the source for the statement that the chick calls are more important than the gape colour? jimfbleak 05:02, 19 August 2006 (UTC)
- BBC/OU audio CD 2005. The hunger calls of the Common Cuckoo are the factor that is the most significant to stimulate the hosts to bring more food. When a blackbird chick is put in a host nest it does not call out so much and does not get fed so much, but has a similar gape. I will listen to the relevant section of the CD again - on my to do list, because there may be a more specific reference and to recheck facts. Snowman 09:43, 19 August 2006 (UTC)
- OK, I'll see what I can find too - I'm just little surprised that the gape isn't the main factor, although I know the chicks have food calls. jimfbleak 10:13, 19 August 2006 (UTC)
- The audio CD is called "The rules of life" by BBC/OU presented by Aubrey Manning (professor of animal behaviour). Although the cuckoo chick's gape is bigger than a reed warblers gape, there is only one of them which is not as a good a stimulus as 4 smaller reed warbler gapes, and the cuckoo chick has to make extra high pitched hunger calls to get extra food. Professor Nick Davies (professor of animal behaviour) put a loud speaker next to the blackbird chick put in a reed warblers nest and it got extra food when the speaker was emitting the rapid repetitive high pitched hunger calls, but not when the speaker was quiet. Snowman 12:32, 19 August 2006 (UTC)
- That's fine, I seemed to remember reading that the extra-large gape was a super-stimulus to the parents, but I obviously accept your source. jimfbleak 15:01, 19 August 2006 (UTC)
- One extra large gape does not seem to be a super stimulus for the Hodgson's Hawk-cuckoo either. Snowman 17:35, 19 August 2006 (UTC)
- That's fine, I seemed to remember reading that the extra-large gape was a super-stimulus to the parents, but I obviously accept your source. jimfbleak 15:01, 19 August 2006 (UTC)
- The audio CD is called "The rules of life" by BBC/OU presented by Aubrey Manning (professor of animal behaviour). Although the cuckoo chick's gape is bigger than a reed warblers gape, there is only one of them which is not as a good a stimulus as 4 smaller reed warbler gapes, and the cuckoo chick has to make extra high pitched hunger calls to get extra food. Professor Nick Davies (professor of animal behaviour) put a loud speaker next to the blackbird chick put in a reed warblers nest and it got extra food when the speaker was emitting the rapid repetitive high pitched hunger calls, but not when the speaker was quiet. Snowman 12:32, 19 August 2006 (UTC)
- OK, I'll see what I can find too - I'm just little surprised that the gape isn't the main factor, although I know the chicks have food calls. jimfbleak 10:13, 19 August 2006 (UTC)
