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Digestive System of Bornean Bristle Head (Most frequently taken (Colenutt,…
Digestive System of Bornean Bristle Head
Most frequently taken (Colenutt, 2002)
Coleoptera
Cockroaches
Orthopterans
Arachnids
Lepidopteran larvae
fruits be taken relatively
small olive to plum-size fruit
composition of insect is variable
larvae of butterfly: 40-70% protein
adult insects: 50-75% protein
digestive system
esophagus
food pass through to stomach
proventriculus
present of mucosa that produce mucose
enzyme pepsin
hydrochloric acid
essential for digestion of meat/bone
Glandular stomach
gizzard
muscular stomach
big stomach
intestine
small
receive bile from liver
large
short colon, pair of caeca
cloaca
opening of
digestive system
reproductive system
urinary system
start at beak
present of salivary gland
crop
accumulate food, no digestion take place
sac-shaped of crop
How they eat large insects?
dismantled after being braced against a branch
Feeding techniques
short flight to pounce on settled insects
sally-gleaning
Diet appear to be taken by
twigs
tree trunks
gleaning leaves
kidneys and alimentary canal
share a common point of excretory egress; cloaca (Randall et al., 2001)
insectivorous