Seabirds trade their survival to raise more chicks next year through flexible energy use
繁殖过程中的高能量需求会影响海鸟的生存和繁殖，突出了应对环境变化的“能量灵活性”。
An 'Extremely Rare' Half-Male, Half-Female Bird Temporarily Took Up Residence Outside of Chicago
长相不寻常的 bobolink 就是所谓的双侧雌雄同体。这只鸟的行为像雄性，最终追求配偶并抚养雏鸟
