Category: Animals

Download E-books Naturalist's Big Bend: An Introduction to the Trees and Shrubs, Wildflowers, Cacti, Mammals, Birds, Reptiles and Amphibians, Fish, and Insects (Louise Lindsey Merrick Natural Environment (Paperback)) PDF

In southwest Texas the place the Rio Grande arcs southward into Mexico lies substantial Bend nationwide Park, 708,221 acres of river floodplain, desolate tract, grasslands, and majestic mountains, a richly various surroundings that exist kind of because it did ahead of man’s arival. The wealth of the large Bend is in its dramatic panorama, which gives typical habitats ranging shape wasteland to alpine, and its for that reason extraordinary number of plants and fauna.

Intended as a organic creation to at least one of the nation’s striking traditional structures, Naturalist’s colossal Bend highlights the special crops and animal of the zone, reminiscent of the century plant, which grows twenty-five to fifty-five years, blooms magnificently, and dies; candelilla, from which wax is made; prickly pear cactus; the javelina, North America’s in basic terms local pig; the colima warbler; the infrequent Texas lyre snake; the massive Bend gambusia fish; the tarantula; and the large Bend quonker katydid.

This accomplished box consultant, revised and enlarged in a brand new version, describes the area’s archaeology and historical past, and information the features and habitats of massive Bend’s timber and shrubs, wildflowers, cacti, mammals, birds, reptiles and amphibians, fish, and invertebrates. It additionally outlines strolling and using excursions of the main most likely spots for sighting those vegetation and animals. an in depth bibliography is included.

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Download E-books Happy Birthday to You! PDF

By Dr. Seuss

"Today you're you! that's more true than actual! there is not any one alive who's you-er than you!" Since 1959, Happy Birthday to You!—Dr. Seuss’s joyous ode to individuality—has allowed readers to adventure firsthand the fun of celebrating a birthday because it is completed in Katroo. woke up by way of the Birthday chook, you (the reader) are swept out of city on a Smorgasbord’s again to start an afternoon and evening of feasting and feting in such Seussian attractiveness that it'll take 20 days to brush up the mess!

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Download E-books Secrets of the Woods (Yesterday's Classics) PDF

By William J. Long

Shiny sketches of the wood-mouse, otter, kingfisher, crimson squirrel, partridge, deer, and different wooden folks. via his anecdotes the writer stocks with the reader what will be discovered of the behavior of animals via prepared statement over an extended interval of time-details that elude the informal customer to the woods.

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Download E-books Texas Snakes: Identification, Distribution, and Natural History PDF

By John E. Werler

From the mythical, fear-inspiring Western Diamondback rattlesnake to the tiny, innocuous Plains blind snake, Texas has a wider variety of snake species than the other country within the state. spotting the public's desire for an entire consultant to determining and knowing Texas' snakes, of the state's most useful herpetologists have joined forces to create this definitive connection with all 109 species and sub-species of Texas snakes.

Well-written species bills describe each one snake's visual appeal, lookalikes, dimension, habitat, habit, feeding, and copy. The authors additionally contain colour photographs and finely targeted line drawings to assist box id, in addition to exact variety maps, a record of Texas snakes, a key to the species, and a quick dialogue of category and taxonomy. The authors around out this quantity with essays on snake myths and incorrect information, snakebite and its prevention, conservation, Texas biotic provinces, and a short historical past of Texas herpetology.

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Download E-books Biology and Evolution of Crocodylians PDF

Crocodiles, alligators, caimans, and gharials―the Crocodylia, identified jointly as crocodylians (or crocodilians)―are the world’s biggest residing reptiles. the most important of them, most likely the estuarine or saltwater crocodile, Crocodylus porosus, can develop to just about twenty ft and weigh greater than thousand kilos. Crocodylians are creatures of serious distinction. they could stay patiently nonetheless for a long time, but may also stream like lightning to snap up a meal. they're formidably powerful, energetic predators, with jaws which may tear aside huge prey goods, but a mom or a father can lightly help hatchlings out of the eggs, and hold them to the water among their enamel. simply because huge crocodylians can (and do) consume humans, they invite worry and loathing, yet additionally they motivate interest and admiration.

Biology and Evolution of Crocdylians is a entire evaluation of present wisdom in regards to the world’s biggest and most famed dwelling reptiles. Gordon Grigg’s authoritative and available textual content and David Kirshner’s beautiful paintings and colour photos mix expertly during this modern party of crocodiles, alligators, caimans, and gharials. This publication showcases the abilities and services that let crocodylians to stay how and the place they do. It covers the biology and ecology of the extant species, conservation matters, crocodilian-human interplay, and the evolutionary heritage of the gang.

Richly illustrated with greater than colour photos and black-and-white illustrations, this publication might be a benchmark reference paintings for crocodylian biologists, herpetologists, and vertebrate biologists for years to come.

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Download E-books Maturation-dependent behavioral deficits and cell injury in developing animals during thesubacute postictal period PDF

By L M Mlsna; S Koh

Lengthy early-life seizures are linked to disruptions of affective and cognitive functionality. Postictal disturbances, transitority sensible deficits that persist for hours to days after seizures, haven't but been completely characterised. right here, we used kainic acid (KA) to urge prestige epilepticus (SE) in immature rats at 3 developmental levels (postnatal day (P) 15, 21, or 30) and consequently assessed Read more...

summary: lengthy early-life seizures are linked to disruptions of affective and cognitive functionality. Postictal disturbances, transitority sensible deficits that persist for hours to days after seizures, haven't but been completely characterised. right here, we used kainic acid (KA) to urge prestige epilepticus (SE) in immature rats at 3 developmental phases (postnatal day (P) 15, 21, or 30) and hence assessed spatial studying and reminiscence in a Barnes maze, exploratory habit in an open box, and the spatiotemporal distribution of telephone damage throughout the first 7-10days of the postictal interval. At 1day post-SE, P15-SE rats confirmed no deficit within the Barnes maze yet have been hyperexploratory in an open box in comparison with their littermate controls. against this, P21- and P30-SE rats exhibited markedly impaired functionality within the Barnes maze and exhibited considerably lowered open box exploration suggestive of anxiety-like habit. those behavioral adjustments have been brief in P15 rats yet extra continual in P21 and enduring in P30 rats after KA-SE. The time process behavioral deficits in P21 and P30 rats was once temporally correlated with the presence of neuronal damage within the lateral septal nuclei, amygdala, and ventral subiculum/CA1, areas thinking about modulation of the hypothalamic-pituitary-adrenal pressure reaction

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Download E-books A Day at a Zoo (Time Goes By) PDF

By Sarah Harrison

Monkeys! Seals! Tigers! try out those 8 action-packed scenes to determine what occurs in the course of a whole day at a hectic zoo. In every one photo, the zoo buzzes with task. viewers, zookeepers, and animals movement from position to put. search for the adjustments that take place. preserve your eye at the clock too. by way of spending a complete day within the similar position, you could watch occasions spread from morning to nighttime.

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Download E-books What Does the Fox Say? PDF

By Ylvis

Do you understand what the fox says? in line with the highly renowned YouTube video with greater than 2 hundred million perspectives, this photograph publication is packed packed with cunning fun.

Dog is going woof. Cat is going meow. chook is going tweet and mouse is going squeak…
But what does the fox say?

The lyrics of Ylvis’s YouTube sensation “The Fox (What Does the Fox Say?)” meet Svein Nyhus’s playful illustrations during this irresistibly interesting read-aloud photograph ebook.

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Download E-books Bottom Soils, Sediment, and Pond Aquaculture (Plant & Animal) PDF

By Claude E. Boyd

Aquaculture pond managers degree water-quality variables and try and continue them inside of optimum levels for shrimp and fish, yet strangely little recognition is paid to pond soil . Soil-water interactions can strongly impression water caliber, and soil components will be thought of in aquaculture pond administration. the significance of soils in pond administration could be illustrated with an instance from pond fertilization and one other from aeration. Pond fertilization won't produce phytoplankton blooms in acidic ponds. overall alkalinity is simply too low to supply enough carbon dioxide for photosynthesis, and acidic soils adsorb phosphate extra in fertilizer prior to phytoplankton can use it. Agricultural lime­ stone program can bring up overall alkalinity and neutralize soil acidity. the volume of limestone essential to reason those alterations in a pond depends upon the bottom unsaturation and alternate acidity of the ground soil. ponds with a similar overall alkalinity and soil pH could require greatly varied amounts of limestone simply because they range in alternate acidity. Aeration complements dissolved oxygen concentrations in pond water and allows higher feed inputs to augment fish or shrimp construction. As feeding premiums are raised, natural subject accumulates in pond soils. In ponds with very excessive feeding charges, aeration could provide sufficient dissolved oxygen within the water column for fish or shrimp, however it will be most unlikely to keep up cardio stipulations within the floor layers of pond soil. poisonous metabolites produced via microorganisms in anaerobic soils might input the pond water and damage fish or shrimp.

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Download E-books Polar Bear Math: Learning About Fractions from Klondike and Snow PDF

By Ann Whitehead Nagda

Early one morning on the Denver Zoo, a polar endure provides start to 2 tiny infants, then abandons them. The zoo employees needs to increase the infants, yet there are various issues they do not know. What meals are top? How a lot should still the cubs devour? after they work out the solutions, the cubs speedy turn into fit, satisfied younger bears. younger readers stick with Klondike and Snow as they develop from fragile newborns to massive, vigorous bears, and alongside the best way they're going to find out about fractions.

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