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Animal Digestive System Collection

The animal digestive system is a fascinating and complex network of organs that allows creatures to obtain nutrients from their food

Background imageAnimal Digestive System Collection: Illustration of internal organs of a snake including heart, lung, intestines, pancreas

Illustration of internal organs of a snake including heart, lung, intestines, pancreas, kidney and testis

Background imageAnimal Digestive System Collection: Land Snail (Gastropoda), internal anatomy, cross-section

Land Snail (Gastropoda), internal anatomy, cross-section

Background imageAnimal Digestive System Collection: Mosquito (Culicidae), female, internal anatomy, and sucking blood from skin, cross-section

Mosquito (Culicidae), female, internal anatomy, and sucking blood from skin, cross-section

Background imageAnimal Digestive System Collection: Cross section illustration of cow digestive system

Cross section illustration of cow digestive system

Background imageAnimal Digestive System Collection: Muskrat -Ondatra zibethicus-, adult sitting on the shore of a pond eating grass, Illmitz

Muskrat -Ondatra zibethicus-, adult sitting on the shore of a pond eating grass, Illmitz, Lake Neusiedl, Burgenland, Austria, Europe

Background imageAnimal Digestive System Collection: Little Grebe -Tachybaptus ruficollis-, Tyrol, Austria

Little Grebe -Tachybaptus ruficollis-, Tyrol, Austria

Background imageAnimal Digestive System Collection: Marbled White -Melanargia galathea-, Germany

Marbled White -Melanargia galathea-, Germany

Background imageAnimal Digestive System Collection: Copper engraving, angora goat

Copper engraving, angora goat

Background imageAnimal Digestive System Collection: Emperor Swallowtail -Papilio ophidicephalus-

Emperor Swallowtail -Papilio ophidicephalus-

Background imageAnimal Digestive System Collection: Bohemian Waxwing -Bombycilla garrulus- eating an overripe frozen apple in winter

Bohemian Waxwing -Bombycilla garrulus- eating an overripe frozen apple in winter, Swabian Alb biosphere reserve, Baden-Wurttemberg, Germany

Background imageAnimal Digestive System Collection: Ringlet -Aphantopus hyperantus- sucking nectar, Lower Saxony, Germany

Ringlet -Aphantopus hyperantus- sucking nectar, Lower Saxony, Germany

Background imageAnimal Digestive System Collection: Bonnet macaque -Macaca radiata-, baby monkey in captivity, Laos, Southeast Asia

Bonnet macaque -Macaca radiata-, baby monkey in captivity, Laos, Southeast Asia

Background imageAnimal Digestive System Collection: Cross-section diagram of a bony fish illustrating skeleton and internal organs, side view

Cross-section diagram of a bony fish illustrating skeleton and internal organs, side view

Background imageAnimal Digestive System Collection: Internal anatomy of domestic cat (Felis catus), showing organs

Internal anatomy of domestic cat (Felis catus), showing organs

Background imageAnimal Digestive System Collection: Spider (Araneae), internal anatomy, cross-section

Spider (Araneae), internal anatomy, cross-section

Background imageAnimal Digestive System Collection: Cross section digital illustration of Sea Urchin showing gonads, intestine, ampullae and radial cana

Cross section digital illustration of Sea Urchin showing gonads, intestine, ampullae and radial cana

Background imageAnimal Digestive System Collection: Illustration of anatomy of frog

Illustration of anatomy of frog

Background imageAnimal Digestive System Collection: Salt marsh nature reserve with the Neuland Lighthouse, Hohwacht Bay, Behrensdorf

Salt marsh nature reserve with the Neuland Lighthouse, Hohwacht Bay, Behrensdorf, Schleswig-Holstein, Germany, Europe

Background imageAnimal Digestive System Collection: Texel sheep, mouflons -Ovis orientalis aries-, silhouette of ewe and lamb at dusk, Oudeschild, Texel

Texel sheep, mouflons -Ovis orientalis aries-, silhouette of ewe and lamb at dusk, Oudeschild, Texel, West Frisian Islands, province of North Holland, The Netherlands

Background imageAnimal Digestive System Collection: Nutria, Coypu or River Rat -Myocastor coypus-, Wiesbaden, Hesse, Germany

Nutria, Coypu or River Rat -Myocastor coypus-, Wiesbaden, Hesse, Germany

Background imageAnimal Digestive System Collection: Digitalcross section illustration of European bison (Bison bonasus) showing digestive system

Digitalcross section illustration of European bison (Bison bonasus) showing digestive system

Background imageAnimal Digestive System Collection: Common sundew, Round-leaved sundew -Drosera rotundifolia-, glandular tentacles

Common sundew, Round-leaved sundew -Drosera rotundifolia-, glandular tentacles

Background imageAnimal Digestive System Collection: Scottish Highland Cattle or Kyloe grazing on thistle flowers, northern Scotland, Scotland

Scottish Highland Cattle or Kyloe grazing on thistle flowers, northern Scotland, Scotland, United Kingdom, Europe

Background imageAnimal Digestive System Collection: Elephants standing in the water drinking and feeding, African Elephants -Loxodonta africana

Elephants standing in the water drinking and feeding, African Elephants -Loxodonta africana-, Koinachas waterhole, Etosha National Park, Namibia

Background imageAnimal Digestive System Collection: Goats -Capra- feeding on Argan fruits or Argan nuts on an Argan tree -Argania spinosa-, Chouaker

Goats -Capra- feeding on Argan fruits or Argan nuts on an Argan tree -Argania spinosa-, Chouaker, Essaouira Province, Marrakech-Tensift-Al Haouz, Morocco Goats have the ability to climb trees

Background imageAnimal Digestive System Collection: Fieldfare -Turdus pilaris-

Fieldfare -Turdus pilaris-

Background imageAnimal Digestive System Collection: Australian pitcher plant (Cephalotus follicularis)

Australian pitcher plant (Cephalotus follicularis)
Illustration of a Australian pitcher plant (Cephalotus follicularis)

Background imageAnimal Digestive System Collection: Great White Pelican (Pelecanus onocrotalus) with cross-section revealing internal organs of

Great White Pelican (Pelecanus onocrotalus) with cross-section revealing internal organs of digestive system, side view

Background imageAnimal Digestive System Collection: Illustration of digestive system of the Senegal Parrot (Poicephalus senegalus), showing crop

Illustration of digestive system of the Senegal Parrot (Poicephalus senegalus), showing crop, gizzard and intestines

Background imageAnimal Digestive System Collection: Illustration of fish with cross section showing intestine, swim bladder, heart, liver, and kidney

Illustration of fish with cross section showing intestine, swim bladder, heart, liver, and kidney

Background imageAnimal Digestive System Collection: Cross section illustration of internal anatomy of female lizard

Cross section illustration of internal anatomy of female lizard

Background imageAnimal Digestive System Collection: Cross section illustration of internal anatomy of male frog

Cross section illustration of internal anatomy of male frog

Background imageAnimal Digestive System Collection: Cross section illustration of mouse internal organs

Cross section illustration of mouse internal organs

Background imageAnimal Digestive System Collection: Cross section illustration of Sea Anemone

Cross section illustration of Sea Anemone

Background imageAnimal Digestive System Collection: Digital illustration showing pigeon digestive system

Digital illustration showing pigeon digestive system

Background imageAnimal Digestive System Collection: Copper engraving, beaver

Copper engraving, beaver

Background imageAnimal Digestive System Collection: Brown hare -Lepus europaeus- sitting in grass, Burgenland, Austria, Europe

Brown hare -Lepus europaeus- sitting in grass, Burgenland, Austria, Europe

Background imageAnimal Digestive System Collection: Grey Heron -Ardea cinerea- standing in shallow water, with a captured fish in its beak, Camargue

Grey Heron -Ardea cinerea- standing in shallow water, with a captured fish in its beak, Camargue, France, Europe

Background imageAnimal Digestive System Collection: Two Camargue Horses -Equus caballus- eating in a protected area, Camargue, France, Europe

Two Camargue Horses -Equus caballus- eating in a protected area, Camargue, France, Europe

Background imageAnimal Digestive System Collection: African elephants -Loxodonta africana- at the Addo Elephant Park, South Africa

African elephants -Loxodonta africana- at the Addo Elephant Park, South Africa

Background imageAnimal Digestive System Collection: Grey Heron -Ardea cinerea- with prey, fish, North Hesse, Hesse, Germany

Grey Heron -Ardea cinerea- with prey, fish, North Hesse, Hesse, Germany

Background imageAnimal Digestive System Collection: Song Thrush -Turdus philomelos- with earthworm in beak, Lake Neusiedl, Burgenland, Austria, Europe

Song Thrush -Turdus philomelos- with earthworm in beak, Lake Neusiedl, Burgenland, Austria, Europe

Background imageAnimal Digestive System Collection: Mountain pasture with a dairy cow and flowers, after a thunderstorm, Zanser Alm alp, Santa Maddalena

Mountain pasture with a dairy cow and flowers, after a thunderstorm, Zanser Alm alp, Santa Maddalena, Villnoess or Funes Valley, Geisler Group, Odle Mountains, Dolomites, South Tyrol, Italy, Europe

Background imageAnimal Digestive System Collection: Red Kite -Milvus milvus- feeding on hare, Allgaeu, Bavaria, Germany, Europe

Red Kite -Milvus milvus- feeding on hare, Allgaeu, Bavaria, Germany, Europe

Background imageAnimal Digestive System Collection: African Buffalo -Syncerus caffer- and White Pelicans -Pelecanus onocrotalus

African Buffalo -Syncerus caffer- and White Pelicans -Pelecanus onocrotalus-, Lake Nakuru National Park, Kenya, East Africa, Africa, PublicGround

Background imageAnimal Digestive System Collection: Lioness -Panthera leo- feeding on wildebeest -Connochaetes taurinus- observed by two young lions

Lioness -Panthera leo- feeding on wildebeest -Connochaetes taurinus- observed by two young lions, Masai Mara National Reserve, Kenya, East Africa, Africa, PublicGround

Background imageAnimal Digestive System Collection: Golden Eagle -Aquila chrysaetos- with bait and a Hooded Crow -Corvus corone cornix- during a

Golden Eagle -Aquila chrysaetos- with bait and a Hooded Crow -Corvus corone cornix- during a blizzard, Kainuu, Utajarvi, Nordfinnland, Finland

Background imageAnimal Digestive System Collection: Glasswinged butterfly -Greta oto-, food intake, Mainau island, Baden-Wuerttemberg, Germany, Europe

Glasswinged butterfly -Greta oto-, food intake, Mainau island, Baden-Wuerttemberg, Germany, Europe



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The animal digestive system is a fascinating and complex network of organs that allows creatures to obtain nutrients from their food. From snakes to mosquitoes, cows to land snails, each species has its own unique way of processing and extracting energy from what they consume. Take the snake, for example. An illustration reveals its internal organs, including the heart, lungs, intestines, pancreas, kidney, and testis. These vital components work together seamlessly to break down prey into usable substances. On the other hand, we have the muskrat sitting on the shore of a pond in Austria. This adult creature munches on grass as it takes advantage of its specialized digestive system designed for herbivorous diets. Speaking of insects like mosquitoes - did you know that even their tiny bodies possess an intricate internal anatomy? A cross-section image showcases how these bloodsuckers extract nourishment by piercing our skin with their mouthparts. Meanwhile, cows boast an impressive digestive process too. With a cross-section illustration depicting their stomach compartments like rumen and omasum at work breaking down plant matter through fermentation. Land snails may seem small and unassuming but don't underestimate their digestion capabilities. A detailed cross-section view unveils their internal anatomy responsible for absorbing nutrients from leaves or decaying organic matter. Moving onto birds like the Little Grebe and Marbled White butterfly - they rely on efficient digestion systems to fuel their active lifestyles. Whether diving underwater or fluttering between flowers for nectar consumption respectively – these creatures need optimal nutrient absorption mechanisms. Even mammals such as goats demonstrate intriguing digestive adaptations. Copper engravings showcase angora goats' ability to process tough vegetation using specialized enzymes within their stomachs efficiently. Butterflies like Emperor Swallowtails and Ringlets also play crucial roles in pollination while obtaining sustenance from nectar-rich flowers thanks to well-developed proboscises facilitating feeding processes effectively. Lastly, let's not forget our primate relatives like the Bonnet macaque.