Animals are multicellular, eukaryotic organisms that form the biological kingdom Animalia. They are defined by several key characteristics, including being heterotrophs (meaning they obtain energy by consuming other organisms), lacking rigid cell walls, and typically being motile (able to move spontaneously and independently) at some point in their lives.
By Open Chronicle For decades, stranded pygmy sperm whales have offered scientists rare opportunities to study one of the least understood mammals on Earth. Living…
Image: from World birds X @worldbirds32 By Open Chronicle with Agencies LISBON, Portugal, June 26, 2026 — Portugal’s population of the Little Bustard (Tetrax tetrax),…
Image Credentials: Image Title: A “Ghost” Great White Shark Just Reignited a Mediterranean Mystery Source: (sora.openai) Date: March 2026. Attribution: This image was created using AI-generated imagery (sora.openai) and does not…
Image: from Jayden X @NiaaTgirl By Open Chronicle Staff with Agencies GAINESVILLE, Fla. — Newly released data from the International Shark Attack File (ISAF) reveals…
Image Credentials: Image Title: A Complex Journey Uncovered: New Study Reveals Domestic Cats Reached Europe Much Later Than Believed Source: (sora.openai) Date: November 2025. Attribution: This image was created using…
Image: from Ecóloga de gato X@ruzzibarbara By José Carlos Palma The Iberian lynx, once considered the world’s most endangered feline, has experienced a spectacular recovery…
