卷羽鹈鹕的迁徙习惯有哪些特点呢？
据了解，卷羽鹈鹕喜欢结群生活，有两个迁徙种群。[{'character': '据', 'pinyin': 'jv4', 'highest pitch': 9.71, 'lowest pitch': 8.74, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'liao2', 'highest pitch': 9.3, 'lowest pitch': 7.31, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '解', 'pinyin': 'jie3', 'highest pitch': 9.3, 'lowest pitch': 5.78, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.22}, {'character': '卷', 'pinyin': 'jvan2', 'highest pitch': 11.15, 'lowest pitch': 8.8, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '羽', 'pinyin': 'v3', 'highest pitch': 11.15, 'lowest pitch': 6.65, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '鹈', 'pinyin': 'ti2', 'highest pitch': 10.24, 'lowest pitch': 8.1, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '鹕', 'pinyin': 'hu2', 'highest pitch': 10.24, 'lowest pitch': 7.63, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'character': '喜', 'pinyin': 'xi3', 'highest pitch': 7.79, 'lowest pitch': 6.46, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '欢', 'pinyin': 'huan1', 'highest pitch': 9.11, 'lowest pitch': 6.46, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '结', 'pinyin': 'jie2', 'highest pitch': 11.01, 'lowest pitch': 8.34, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '群', 'pinyin': 'qvn2', 'highest pitch': 10.67, 'lowest pitch': 6.98, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 9.54, 'lowest pitch': 7.73, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '活', 'pinyin': 'huo2', 'highest pitch': 8.05, 'lowest pitch': 6.25, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.32}, {'character': '有', 'pinyin': 'iou2', 'highest pitch': 11.2, 'lowest pitch': 8.51, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '两', 'pinyin': 'liang3', 'highest pitch': 10.86, 'lowest pitch': 5.73, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '个', 'pinyin': 'ge4', 'highest pitch': 10.61, 'lowest pitch': 6.25, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '迁', 'pinyin': 'qian1', 'highest pitch': 9.3, 'lowest pitch': 7.87, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '徙', 'pinyin': 'xi2', 'highest pitch': 8.12, 'lowest pitch': 7.37, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '种', 'pinyin': 'zhong3', 'highest pitch': 8.54, 'lowest pitch': 5.43, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '群', 'pinyin': 'qvn2', 'highest pitch': 10.67, 'lowest pitch': 5.43, 'duration': 0.37, 'prosody hierarchy': '#4'}]