Vertebrates Collection (page 36)

White-eyed Vireo, Vireo griseus, adult after rain, Uvalde County, Hill Country, Texas, USA, April 2006

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Blue-crowned Motmot, Momotus momota, adult perched, Central Valley, Costa Rica, Central America, December 2006

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Red-winged Blackbird, Agelaius phoeniceus, male on blooming Texas Mountain Laurel (Sophora secundiflora), Lake Corpus Christi, Texas, USA, March 2003

Great Blue Heron, Ardea herodias, adult, Rockport, Texas, USA, March 2001

Golden-mantled Ground Squirrel, Spermophilus lateralis, adult on log, Rocky Mountain National Park, Colorado, USA, September 2006

American Pipit, Anthus rubescens, adult with insect prey, Logan Pass, Glacier National Park, Montana, USA, July 2007

Catholic Church and horses, Unteraegeri, Switzerland

White Stork, Ciconia ciconia, adults on nest by church in Rust city, Rust, National Park Lake Neusiedl, Burgenland, Austria, April 2007

Megatherium. Artists impression of Megatherium, an extinct species of giant sloth. Megatherium was about the size of an elephant, and inhabited the shrubby savannas of America

Palaeotherium. Artists impression of the extinct mammal Palaeotherium. This genus lived during the Eocene and Oligocene epoch between 54 and 23 million years ago

Ambulocetus, whale precursor, artwork
Ambulocetus pair swimming, artwork. Ambulocetus, meaning walking whale, lived during the Early Eocene (50 million years ago)

Diplocaulus prehistoric amphibian, artwork. This extinct genus of amphibians lived around 270 million years ago (late Permian period)

Fossilised ray tooth plate, SEM
Fossilised ray tooth plate, coloured scanning electron micrograph (SEM). Rays evolved in the Devonian period, between 416 and 359 million years ago

Eohippus. Artists impression of the extinct horse Eohippus, also known as Hyracotherium. This species lived during the Eocene epoch between 60 and 45 million years ago

Fossilised frog embedded in rock
Fossil frog. Fossilised skeleton of a frog embedded in rock. Frogs and toads first appeared 190-160 million years ago in the early Jurassic Period

Bothriolepis prehistoric fish
Bothriolepis sp. fish in a lake in the Devonian period (408-360 million years ago), computer artwork. Bothriolepis sp. fish are amongst the earliest fish known

Diplocaulus prehistoric amphibians. Artwork showing Diplocaulus amphibians next to a pond. This extinct genus lived around 270 million years ago (late Permian period)

Primitive vertebrate, artwork
Primitive vertebrates, Haikouella lanceolata, artwork. H. lanceolata is an extinct, soft-bodied life-form, discovered in Lower Cambrian (520 million-year-old) deposits in Yunnan Province, China

Macrauchenia. Artists impression of the extinct prehistoric mammal Macrauchenia. This herbivore lived 7 million to 20, 000 years ago

Sabre-toothed cat. Computer artwork of a sabre- toothed cat or tiger (subfamily Machairodontinae) in an icy landscape. This extinct carnivore belongs to a different subfamily to modern tigers

Ancient bison (Bison antiquus), artwork. These bison lived from 18, 000 to 10, 000 years ago. They were taller than modern day bison and had larger horns which could measure up to three feet long

Shoal of fossilised fish, Knightia alta
Fossil fish. A shoal of fossilised fish (Knightia alta (Leidy)) from the Eocene period (54-38 mill- ion years ago). This unusually well-preserved fos- sil is called a " life assemblage"

Fossil of Archaeopterix, one of the first birds
Archaeopteryx. Computer enhanced image of a fossilised skeleton of Archaeopteryx, a reptile- like bird which is the ancestor of modern birds

Listracanthus shark. Artwork of a Listracanthus shark swimming. This genus of prehistoric shark existed during the late Carboniferous period (roughly 300 million years ago)

Merychippus. Artists impression of the extinct horsel Merychippus. This species lived during the Miocene epoch between 17 and 11 million years ago. It is thought to be the first horse to graze

Xenacanthus sharks. Artwork of two Xenacanthus sharks swimming. This genus of prehistoric shark existed during the late Devonian through to the Triassic period (410-220 million years ago)

Cladoselache shark. Artwork of a Cladoselache shark swimming. This genus of prehistoric shark existed during the late Devonian period (roughly 370 million years ago)

Giant tortoise (Hesperotestudo sp.). Artists impression of a giant tortoise drinking from a lake. This animal lived during the Pliocene period, 5.4 to 2.4 million years ago

Assortment of fish fossils from the Paleocene
Fossil fish. Assorted specimens of fossilized fish, and some reptiles, which lived during the Paleocene period about 65 million years ago

Arandaspis prehistoric fish, artwork. This extinct aquatic vertebrate lived in the Ordovician period, about 500 million years ago. Arandaspis was a precursor to true bony fish

Carboniferous amphibian, artwork
Carboniferous amphibian. Artwork of an Eryops amphibian (orange, lower centre) crawling among the swamp trees and vegetation that dominated the Earth during the Carboniferous Period

Artwork of a sabre-toothed cat (Smilodon sp. )
Sabre-toothed cat. Artwork of a sabre-toothed cat (Smilodon sp.). This powerful carnivore was close to the size of a large modern tiger

Xenacanthus sharks. Artwork of two Xenacanthus sharks swimming. This genus of prehistoric shark existed during the late Devonian through to the Triassic period (410-220 million years ago)

Fossilised fish, Priscacara serata
Fossil fish. View of the fossilised remains of a prehistoric fish Priscacara serata. This specimen has been particularly well-preserved, with the bony skeleton and fin rays clearly defined

Dinosaur cloning, computer artwork
Dinosaur cloning. Image 2 of 3. Computer artwork of a Tyrannosaurus rex (T rex) dinosaur embryo that has been cloned from the soft tissue remains inside a fossilised bone

Artwork of an archaeopteryx, the first bird
Archaeopteryx. Artwork of an Archaeopteryx, the first bird. It resembled a flying reptile with feathers. This small animal lived in the late Jurassic period of around 130 million years ago

Hunting sabre-toothed cat
Sabre-toothed cat (Amphimachairodus giganteus) protecting its kill of deer (Turiacemas sp.) from hyenas (Lycyaena sp.) and dogs (Canis cipio)

Sabre-toothed cats fighting, artwork. These predatory cats belonged to the genus Machairodus which thrived between 13 to 2 million years ago throughout North America, Europe, Asia and Africa

Fossilised fish. Spine of a fossilised Diplomystus fish. This extinct fish is related to modern-day herrings and sardines. This fish dates from the Eocene era, between 56-34 million years ago

Hyaenodon. Artists impression of the extinct prehistoric mammal Hyaenodon. This carnivorous predator lived during the late Eocene through to the Oligocene epoch, 41-21 million years ago

Archaeopteryx

Cladoselache sharks. Artwork of two Cladoselache sharks swimming. This genus of prehistoric shark existed during the late Devonian period (roughly 370 million years ago)

Megalodon prehistoric shark with human
Megalodon shark, computer artwork. A human swimmer is shown at top at the same scale. This enormous shark (Carcharodon megalodon) lived between around 20 and 1.2 million years ago

Indricotherium. Artists impression of a herd of Indricotherium (also known as Baluchitherium), extinct mammals that lived during the late Oligocene and early Miocene epoch, 20-30 million years ago

Megalodon prehistoric shark with elephant, artwork. Megalodon, Carcharocles (Carcharodon) megalodon, lived between around 20 and 1.2 million years ago, and is known from fossils

Dakosaurus, computer artwork. Dakosaurus was a marine crocodile that lived in the late Jurassic period, up to around 146 million years ago

Fossil collection, University of Texas
Fossil collection. Researcher Lyndon Murray holding a fossil skull in the palaeontology collection of the Texas Natural Sciences Center, University of Texas, Austin, USA.Photographed in 2007

Phoberomys pattersoni, prehistoric rodent
Phoberomys pattersoni. Artists impression of a giant rodent, Phoberomys pattersoni, based on fossil remains found at Urumaco, in Venezuela in 2000

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"Exploring the Diverse World of Vertebrates: From Megalodon Sharks to Alpine Birds" Dive into the depths of ancient oceans with the mighty Megalodon shark and its modern counterpart, the great white, as they rule over their underwater kingdoms. Discover nature's wonders at Avalanche Creek in Glacier National Park, Montana USA, where stunning landscapes meet a thriving ecosystem filled with fascinating vertebrate species. Witness the mesmerizing glow of a lava steam vent at night in Halemaumau Crater, Hawaii Volcanoes National Park - a reminder that even amidst volcanic activity, life finds a way for vertebrates to thrive. Marvel at Nevada Fall's cascading waters while admiring Half Dome and Liberty Cap in Yosemite National Park, California - an idyllic setting where diverse vertebrate species coexist harmoniously. Encounter the elusive Eurasian lynx (Lynx lynx), gracefully navigating through its natural habitat with stealth and precision - showcasing the beauty and adaptability of these remarkable vertebrates. Take a journey back in time to encounter prehistoric giants like the Megalodon shark or Leptictidium - creatures that once roamed our planet but have since become extinct, leaving behind only fossils as evidence of their existence. Explore Engraving after drawing by Sea lampreys artistically capturing their unique features; these jawless fish remind us that not all vertebrates conform to traditional body structures yet still play vital roles within ecosystems. Imagine encountering an ancient Woolly Rhinoceros roaming icy landscapes during Earth's distant past - reminding us how climate change can shape both habitats and survival strategies for various vertebrate species throughout history. Observe Rocky Mountain Elk braving harsh winter conditions in Canada's majestic Rockies; their resilience showcases how these magnificent mammals adapt to survive despite extreme weather challenges faced by many North American vertebrates.