Every photo below shows the actual animal in the story, not a generic animal of the same species. Measurements and achievement dates come from the linked Guinness World Records pages. Living records may change after publication.
Animal records are wonderfully specific. Somewhere, a human had to write an evidence rule for "longest tongue on a living dog," and somewhere else a dog named Ozzy was already warming up.
Meet the record holders
Reggie and Pearl: tallest and shortest living dogs
Reggie was measured at 1.007 m (3 ft 3.6 in) tall; Pearl at 9.14 cm (3.59 in). Their 2025 meeting produced the rare photograph in which one dog's head is roughly a whole other dog's commute away.
Zeus: tallest dog ever
Zeus, a Great Dane from Otsego, Michigan, stood 111.8 cm (44 in) at the shoulder when measured in 2011. He was tall enough to drink from the kitchen faucet without needing the kitchen's permission.
Lou: longest ears on a living dog
Lou's ears measured 34 cm (13.38 in) each, or 68 cm combined. The black-and-tan coonhound's extraordinary ears are functional breed equipment, plus an undeniable fashion event.
Ozzy: longest tongue on a living dog
Ozzy's tongue was measured at 19.89 cm (7.83 in). That is useful for record keeping and extremely inefficient for pretending he did not just lick the counter.
Pumuckel: shortest living male horse
Pumuckel was measured at 52.6 cm (1 ft 8.7 in) tall. His size is unusual, but his care still requires serious horse knowledge rather than treating him like a decorative footstool.
Apollo: most items identified by a parrot
Apollo correctly identified 12 items in three minutes on December 18, 2023. African grey parrots are known for remarkable cognition; Apollo turned that talent into documented competitive paperwork.
How animal records are verified
Records need a defined category, standardized measurement method, qualified witnesses or evidence, and documentation that can be independently reviewed. Height records, for example, specify the anatomical point and measuring conditions. That is why "my neighbor's dog looks enormous from the couch" does not yet qualify as a data set.
Why the word "living" matters
Guinness separates many all-time records from current living records. A new animal can surpass a living record, and record status can change as applications are verified. The official links above are the best place to check current status; this page records the measurements reported when checked on July 26, 2026.
A record should never require overfeeding, harmful breeding, forced performance, or stress. Unusual size can carry medical needs, and intelligent animals such as parrots need complex lifelong care well beyond a clever trick.
Frequently asked questions
Why are so many record animals dogs?
Dogs vary enormously in size and shape and live closely with people who can document them. Many other species hold records too; this selection focuses on animals with well-documented stories and usable photos of the actual record holder.
Is Pearl smaller than a soda can?
Her official height is 9.14 cm (3.59 in). Comparisons vary by container, so the measured number is more useful than a prop.
Can records be removed?
Record categories and evidence can be reviewed, updated, or discontinued. Use the official page for the latest status.
Sources and further reading
We use veterinary, public-health, animal-welfare, and official record sources whenever possible. Sources were checked July 26, 2026.
Quick answers
What is the tallest dog ever recorded?
Zeus, a Great Dane from Michigan, was measured at 111.8 cm (44 inches) tall at the shoulder in 2011.
Who is the shortest living dog?
Pearl, a female Chihuahua, was measured at 9.14 cm (3.59 inches) tall. Living-animal records can change, so check the linked official record page for updates.
Are these photos of the actual record animals?
Yes. Every animal shown is the named record holder from the linked official Guinness World Records story or record page.
Can a pet apply for a world record?
Yes, if a suitable record category exists and the owner follows the official evidence and measurement requirements. Guinness World Records explains the application process on its site.