...The eggshell occurring in the pellets probably was indicative ofextensive feeding on dumping grounds, and I received no reports of eggslost to crows on poultry farms... 
Dwight Platt 「Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas」
...Crows also serve as scavengers, feeding on carrion and at dumpinggrounds, as indicated by the high frequency of eggshell and mammalianbone in the diet...
Dwight Platt 「Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas」
...The yolk sac retracts mainly between the time when the eggshell is first punctured and the time when the turtle actually emergesfrom the shell...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The crash of gunfire, itseemed, must crush the glass wall like an eggshell by the sheer impact ofits own thunder...
Charles Willard Diffin 「Two Thousand Miles Below」
...Eventually the end of the thin brittle priminebreaks like an eggshell and the secundine falls out...
Thomas Mitchell 「Journal of an Expedition into the Interior of Tropical Australia」
ランダム例文：
interaction bulletin icily
便利！手書き漢字入力検索