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
Andrew Bird & the Mysterious Production of Eggs their list of top 200 albums of the 2000s. The album has sold 80,000 copies in the United States by November 2008. The album was rereleased in February 2017. Andrew Bird & the Mysterious Production of Eggs Andrew Bird & the Mysterious Production of Eggs is the third album of Andrew Bird's career post-Bowl of Fire, released in 2005, following his "Weather Systems" in 2003. The album art, along with track illustrations in the accompanying booklet were drawn by Jay Ryan. Bird expanded on his earlier work on "Weather Systems"; the song "Skin Is, My" is an outgrowth of his