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    Standard Poodle

    History & Overview The Poodle is a very ancient breed and has always been considered to be of...

    Standard Schnauzer

    History & Overview Three distinct Schnauzer breeds, differing in body size, are recognized by the World Canine Organisation (FCI) and American...

    Subaortic Stenosis

    What Is Subaortic Stenosis? Subaortic stenosis (SAS) refers to the narrowing of the area of the heart just...

    Summer snowflake

    Overview Leucojum aestivum, the summer snowflake, thrives in damp water meadows, producing white flowers, marked in green, on...

    Surgeonfish

    Surgeonfish The Surgeonfish are tropical marine fishes found on coral reefs, along with the butterflyfish. Fish in this...

    Sussex Spaniel

    History & Overview The Sussex originated in England where it was used as a field dog. He is...

    Swamp Hibiscus

    Overview The Swamp Hibiscus (Hibiscus moscheutos pronounced as hy-BISS-kus moe-SHOO-tos) is a vigorous perennial with thick, succulent stems reaching...

    Swedish Lapphund (Svensk Lapphund)

    History & Overview The Swedish Lapphund, often referred to as Lapland, is a rare breed of Nordic spitz...

    Swedish Vallhund

    Overview The Swedish Vallhund originated in Sweden and was first used for herding cows and ratting. Although small...

    Swiss Hound (Schweizer Laufhund)

    The Swiss Hound, known in his native Switzerland as Schweizer Laufhund ("Swiss Walking Dog"), is a medium-sized hound of ancient origin known...

    Symphyla

    Symphylas, also called garden symphylans and garden centipedes, are not insects, but members of the class Symphyla. Species of this class are...

    Syringomyelia

    What Is Syringomyelia? Syringomyelia is a disease of the spinal cord marked by the formation of a cyst...

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