| 词条 | Pelecanidae |
| 释义 | > pelican 15 : Monotypic bird families|Chattian taxonomic families|Aquitanian taxonomic families|Burdigalian taxonomic families|Langhian taxonomic families|Serravallian taxonomic families|Tortonian taxonomic families|Messinian taxonomic families|Zanclean taxonomic families|Piacenzian taxonomic families|Gelasian taxonomic families|Calabrian taxonomic families|Ionian taxonomic families|Tarantian taxonomic families|Holocene taxonomic families |
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开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。