Zoology

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Camargue horse

The Camargue horse is a distinct breed native to the Camargue region of Southern France, renowned for its robustness, endurance, and striking appearance. Believed to be one of the oldest horse breeds in the world, the Camargue horse has roamed the marshes and wetlands of the Rhône Delta for centuries, adapting to the harsh environmental conditions of its natural habitat. Characterized by its small stature, sturdy build, and distinctive white or gray coat, the Camargue horse is instantly recognizable

Poitou donkey

The Poitou is known as the Baudet du Poitou in the Poitou-Charentes region of its native country of France. Mules, the result of crossing a male donkey with a female horse, are a greatly valued resource for draft and farm work. For more than a thousand years, mule production has been documented in France, and, around 1717, the Poitou become the standardized breed we know today, for the purpose of breeding mules. The most desirable mule was produced by breeding a Poitou jack to a Trait Poitevin Mulassier mare. This cross created the finest working mule in all of Europe, and fetched great prices for those who could afford them.

Pale Male

Pale Male was a red-tailed hawk that resided in and near New York City's Central Park from the 1990s until 2023. Birdwatcher and author Marie Winn gave him his name because of the unusually light coloring of his head. He was one of the first red-tailed hawks known to have nested on a building rather than in a tree and is known for establishing a dynasty of urban-dwelling red-tailed hawks. Each spring, bird watchers would set up telescopes alongside Central Park's Model Boat Pond to observe his nest and chicks at 927 Fifth Avenue.

Ophiocordyceps unilateralis

Ophiocordyceps unilateralis is a parasitoid fungus that infects ants such as Camponotus leonardi, and alters their behavior in order to ensure the widespread distribution of its spores. The fungus's spores enter the body of the insect likely through the cuticle by enzymatic activity, where they begin to consume the non-vital soft tissues. Yeast stages of the fungus spread in the ant's body and presumably produce compounds that affect the ant's brain and change its behaviour by unknown mechanisms, causing the insect to climb up the stem of a plant and use its mandibles to secure itself to the plant. Infected ants bite the leaf veins with abnormal force, leaving telltale dumbbell-shaped marks. A search through plant fossil databases revealed similar marks on a fossil leaf from the Messel pit which is 48 million years old. The fungus then kills the ant, and continues to grow as its mycelia invade more soft tissues and structurally fortify the ant's exoskeleton. More mycelia then sprout out of the ant, and securely anchor it to the plant substrate while secreting antimicrobials to ward off competition. When the fungus is ready to reproduce, its fruiting bodies grow from the ant's head and rupture, releasing the spores. This process takes 4 to 10 days. The changes in the behavior of the infected ants are very specific, giving rise to the term zombie ants, and tuned for the benefit of the fungus. The ants generally clamp to a leaf's vein about 25 cm above the ground, on the northern side of the plant, in an environment with 94-95% humidity and temperatures between 20 and 30 °C.