I am slightly suss about the lethality of inbreeding. The Lord Howe Island Woodhen population was reduced by rat predation to one or two pairs before breeding up again to fill the Island, presumably any bad genetic combinations died out . Cheetahs world wide apparently have no genetic variation. Regents probably survive today because a . . . → Read More: Genetic diversity
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see www.sciencedaily.com/releases/2019/10/191030110004.htm Birding-Aus mailing list Birding-Aus@birding-aus.org To change settings or unsubscribe visit: birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org see www.sciencedaily.com/releases/2019/10/191024093601.htm Birding-Aus mailing list Birding-Aus@birding-aus.org To change settings or unsubscribe visit: birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org Hi all, Bill here I've just received three binoculars from a gentleman by the name of Mike Connor who would like to see them going to a good cause. I have, in the past, seen advertisements for projects where working (or near working) binoculars are sent to developing nations (I have a feeling I've seen . . . → Read More: Binocular donation Hi all, Bill here again On the weekend I stayed at Wonga Park on a scout camp. Both mornings there was a distinct and loud Australian Raven calling in the area. I’m not familiar with many sightings of Aussie Ravens south of (maybe) Bendigo. Is this unusual? How often do they come this far south? . . . → Read More: Australian Raven in Melbourne Hi all, Bill here There was a Koel calling in Kew East this morning. Another sign of Spring, as well as the apparently increasing range of the bird. Birding-Aus mailing list Birding-Aus@birding-aus.org To change settings or unsubscribe visit: birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org The following is a digest of Sightings Reported on Birdpedia for the period Monday, October 28, 2019 to Sunday, November 3, 2019: Area: SA Location: On our Rockleigh property Diamond Firetail (Stagonopleura guttata) (1) Straw-necked Ibis (Threskiornis spinicollis) (1) Elegant Parrot (Neophema elegans) (2) I was doing 3 20-minute Backyard Bird Count sessions, for once . . . → Read More: Birdpedia – Australia – Weekly Digest How regularly are SWDs seen at Centenary Lakes? cheers — John Leonard The following is a digest of Sightings Reported on Birdpedia for the period Monday, October 21, 2019 to Sunday, October 27, 2019: Area: SA Location: Kinchina CP (Previously Rocky Gully cp) Red-backed Kingfisher (Todiramphus pyrrhopygius) (1) 50 meters past where the Crimson Chats are normally Reported by: Gordon Pateman on Saturday, October 26, 2019 ——————————————— . . . → Read More: Birdpedia – Australia – Weekly Digest Hi everyone, I’ve never been very good at identifying birds by calls, but now I find I’m losing my eyesight, so I’m hoping to try and continue my interest in birds by learning their calls. Is there a reliable app or other resource to get more familiar with calls? I have the Pizzey and Knight . . . → Read More: Learning bird calls |
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