[DOC] [TLE] Gastroliths - University of California Museum of Paleontology [PAR] Among living animals, gastroliths are most commonly found in birds, ... Many 
birds swallow sharp pebbles and grit and hold these rocks in a muscular part of ... 
gastroliths to chew the food in its gizzard  and the rocks grind each other down, 
too. ... of crocodiles, a paleontologist named Don Henderson found that 
gastroliths... [DOC] [TLE] Gastrolith - Wikipedia [PAR] A gastrolith, also called a stomach stone or gizzard stones, is a rock held inside a 
gastrointestinal tract. Gastroliths in some species are retained in the muscular 
gizzard and used to grind food in animals lacking suitable grinding teeth. In other 
species the rocks are ingested and pass through the digestive ... Apparent 
microgastroliths have also been found in frog tadpoles. [DOC] [TLE] Gizzard - Wikipedia [PAR] The gizzard, also referred to as the ventriculus, gastric mill, and gigerium, is an 
organ found in ... Then the food passes into the ventriculus (also known as the 
muscular stomach ... All birds have gizzards, but not all will swallow stones or grit. 
... These stones are called gizzard stones or gastroliths and usually become 
round... [DOC] [TLE] Bird Digestion - People Search [PAR] Because of their high metabolic rates, birds must consume more food in 
proportion .... (2005) found that the secret to the toucan beak's lightweight 
strength is an .... Although not part of the digestive system in an anatomical sense
, some birds, like ..... to the grinding action of the muscular walls plus small 
pebbles (gastroliths). [DOC] [TLE] 4 Types of Stones That Could Be Inside Your Body | Mental Floss [PAR] Apr 6, 2015 ... Little tiny ones, made of calcium carbonate (better known as chalk). ... Neither are 
found in the human body, but both are awesome. ... work for them, grinding up 
each bite before it's sent down to the stomach. ... shell loses calcium, which goes 
into forming these gastroliths. .... A super-skimmable daily digest. [DOC] [TLE] 69 Wonderful Facts about Penguins | FactRetriever.com [PAR] Aug 20, 2016 ... ... swimmers on Earth. Waddle through these interesting penguin facts to learn 
more! ... Penguins are one of about 40 species of flightless birds. ... These stones 
are also called "gastroliths" or "stomach stones" ... Scientists believe that the 
stones may help grind up and digest their food. ..... Daily News. [DOC] [TLE] Animal Digestive Systems - Toronto Zoo [PAR] Any left over food which has not yet been digested goes through the large ... 
Other herbivores, called ruminants, have more than one stomach. ... Birds have 
very different digestive processes from other animals. ... Pebbles and sand in the 
gizzard help to grind up the food. Any materials that .... (over part of the gill arch). [DOC] [TLE] CVinosaurs of Wyoming - Wyoming State Geological Survey [PAR] lived and left their bones in the area now called \iVyoming? What was their 
manner ... saur mummies, found in Wyoming, and the dinosaur eggs found 
recently in... [DOC] [TLE] Phenomena - National Geographic [PAR] May 26, 2016 ... The new dinosaur, found in the Late Jurassic rock of northwestern China, has 
been ..... Around the fossil bird's pelvis sits a cluster of gastroliths  intentionally-
swallowed pebbles that would have helped grind hard food. ... flap-bounding 
through the air, continuing an aerodynamic tradition that goes back to... [DOC] [TLE] Teacher's Handbook - Royal Belgian Institute of Natural Sciences [PAR] floor (and part of the basement) of the museum's Janlet Wing. .... You are 
welcomed by birds in flight which invite you to go over to the ..... large cavities  
called pleuroceles - in them, which made the bones lighter ..... found near 
dinosaurs were in fact gastroliths rather than just simple pebbles! ... but could not 
grind it up. [DOC] [TLE] Fossils - The Children's Museum of Indianapolis [PAR] understanding of dinosaurs through the study of fossils. .... named? Why did they 
live in groups? What did they eat? What happened to them? ... area can be found 
at The

Question: Pebbles called gastroliths are found in this part of a bird that goes through a daily grind
Answer: the gizzard