Innate factors and ontogeny determine nonbreeding areas of migrant songbirds | Science
候鸟连接着世界各地的生态系统，并且通常表现出繁殖区和非繁殖区之间的连通性，这意味着个体的非繁殖（“越冬”）地点靠近同一繁殖种群的其他鸟类。虽然很多工作已经...
[PaleoIchthyology • 2026] The Oldest Shark Face—Anatomy of the Devonian elasmobranch Phoebodus
Phoebodus saidselachus Frey, Coates, Ginter, Hairapetian, Rücklin, Jerjen & Klug, 2019in Klug, Greif, Pohle, Ginter, Coates,haouz, Lagnaoui, Pople et Frey, 2026. www.app.pan.pl/article/item/app012902025.html Phoebodus 被认为是最早的从有关节的遗骸中得知，软骨鱼类是最现代的软骨鱼类，包括鲨鱼、鳐鱼和鳐鱼。它细长的身体、两个带有鳍刺的背鳍和细长的头部已经被描述过。基于保存完好的化石，
