Egg embryo is adequately developed it hatches, i.e. breaks out of the egg's shell. Some embryos have a temporary egg tooth they use to crack, pip, or break the eggshell or covering. The largest recorded egg is from a whale shark, and was in size. Whale shark eggs typically hatch within the mother. At and up to , the ostrich egg is the largest egg of any living bird, though the extinct elephant bird and some dinosaurs laid larger eggs. The bee hummingbird produces the smallest known bird egg, which weighs half of a gram (around 0.02 oz). Some eggs laid
The Lays of Beleriand The Lays of Beleriand The Lays of Beleriand, published in 1985, is the third volume of Christopher Tolkien's 12-volume book series, "The History of Middle-earth", in which he analyzes the unpublished manuscripts of his father J. R. R. Tolkien. The book contains the long heroic lays or lyric poetry Tolkien wrote: these are "The Lay of the Children of Húrin" about the saga of Túrin Turambar, and "The Lay of Leithian" (also called "Release from Bondage") about Beren and Lúthien. Although Tolkien abandoned them before their respective ends, they are both long enough to occupy many stanzas, each of which