ؿ ڰ ϴ Ǿ μ ư ?, ٸ ־ Ѿ ?, ʰ ųι ư ö ߱? ̶ ִ ̶ ÷ ñ̴. ϰ 50 Ѱ ʴ Ʈ ؿ ̸ ϷƮ ̺ ٷ ú ڽ 츮 ñ ذش. , ü а ΰ 翡 ̷ο ε , μ ۿϴ ְ ȿ . ѱ ൿ ̿ ڻ簡 þ å ϼ ߴ. ̿ ڻ л ̱ Ȱϴ ̺ ٷ ú å ϰ 迡 ̰ , ο ִٰ ϱ ߴ. ڴ ݹ̶ ġ ƿ , 200 ϷƮ ̸鼭, Ⱓ ϸ ݰ 鸸 ̷ο Ȱİ ֽ 巯 ϰ Ƴ. , ַ ƴϱ ûҳ ڱ ִ. å Ư ܼ ٸ, Ǿ μ ư شٴ ̴. ÷, û ϰ ǥϸ ٶ ϴ üϰ ִ м, ȯ ȭ ؿ Ǯ ȭ 缭̱ ϴ. å ƮƮ , Ʋƽ, þƲ Ÿӽ п Ƹٿ Ÿ å̶ ߴ. Ž Ʈ ۰ ۰ õ簡 .
̱ ǥ , Ƹٿ ˸ Ͽ 弭 Ʈ ۰. ƹ ٴϴ ǫ ϰ ڽŸ . Ǿ ̵ ٹϴ ״ ˸ ʿ ߰, å 쳻 ̱ Ž dz ״. õ , μ 175 ̻ Ǹϸ 20 Ѱ ִ.
å Ǿ μ ư ش. ڸ鼭 ִ, ־ ø , ϰ ǻ ٶ ϴ ϰ Ҵ.
ŸӽNew York Times, ̽ҴϾSmithsonian, ̾Science, The Wilson Journal of Ornithology, Birding, ϾƸī North American Birds ϴ ״ ̱ȸ ϴ 丮 ͽ λ ް, ȸ Ҵ.
õ | ϸ å ϴ å ϴ ijٱⷯⷯϷȭ 鼺 Ƹīӣ ߣƺƸٴټٻְΣ η̣ū 䵵űű˰ţţụ̂û̿ ˰ ʹٸĥ ߶ѱѱ ˰ ʹٸ ˰ ʹٸ ѻ ײ ˰ ʹٸӸθƸī ˰ ʹٸĮ ˰ ʹٸͣūͣġҾġƸīڻڻ䲿Ϲ̼ڻһֻƸīͷĶ̱ͣϺ䳻ͣƸīֻƸīֻ ˰ ʹٸdzݻȫȭθdzݻ ˰ ʹٸ, ƽþ, ī ǻݹҸ̻ ٸҲ̷ūҲη01 ̵: Բ ư 02 Ʈ: ǵ