Definition: A type of long, narrow fish found in the ocean, known for its compressed body and long dorsal fin.

Example: The ribbonfish swam gracefully through the water, its elongated body gliding effortlessly.

Definition: A type of small bird that is often found in rice fields, known for its association with agricultural areas.

Example: The ricebird flew over the golden fields, searching for insects to eat.

Definition: Relating to or resembling a rictus, which is a fixed grimace or grin, often associated with certain expressions or conditions.

Example: The rictal expression on the actor's face conveyed a sense of horror.

Definition: A male animal that has one or two testicles that have not descended into the scrotum, often used in reference to horses or other livestock.

Example: The ridgeling was not suitable for breeding due to its undescended testicles.

Definition: A ridgling is a male horse that has not fully developed its testicles, often resulting in it being unable to breed.

Example: The ridgling was trained for racing, but its breeding potential was limited due to its condition.

Definition: A type of sea turtle that belongs to the genus Lepidochelys, found in the Pacific and Indian oceans.

Example: The ridley is known for its unique nesting behavior, where many females come together to lay their eggs on the same beach.

Definition: A type of bird known for its colorful plumage, belonging to the family of birds of paradise found in Australia and New Guinea.

Example: The riflebird is famous for its stunning courtship displays and vibrant feathers.

Definition: A type of Japanese coin that is worth one thousandth of a yen, similar in shape to the Chinese cash coins.

Example: The collector proudly displayed his rare rin coins from Japan.

Definition: A serious and often deadly viral disease that affects cattle, causing severe diarrhea and ulcers in the digestive system.

Example: Rinderpest was once a major threat to livestock, leading to significant losses in cattle populations.

Definition: A bony growth that forms on or near the joint area of a horse's leg, often due to injury, and can cause lameness.

Example: The veterinarian diagnosed the horse with ringbone after noticing the bony growth on its leg.