• the World Wide Fund for Nature rates the Mizoram-Manipur-Kachin rain forests bordering India, Bangladesh, and Myanmar (Burma) as "Globally Outstanding" in biological distinctiveness?
• the Stora Alvaret, a World Heritage Site on the island of Öland, Sweden, has rich biodiversity, even though the soil mantle on this 26,000 hectare limestone barren is less than two centimeters deep?
• the earliest fossil reef formations that show high biodiversity, containing the earliest corals, form the mid-Ordovician Chazy Formation, reaching from Tennessee to Labrador?
• due to their rich biodiversity, Sri Lanka montane rain forests are a globally important super-hotspot with a large number of endemic species?
• Horabagrus brachysoma, an endangered species of the genus Horabagrus, has been considered a potential flagship species for media attention to provide a focus for wildlife conservation of inland biodiversity?
• seed swaps, potluck-style events where gardeners exchange seeds, help maintain biodiversity and preserve cultural and regional traditions?
• Semuliki National Park in Uganda is one of the richest areas of floral and faunal diversity in Africa?
• Wasur National Park is part of the largest wetland in the Papua province of Indonesia, and due to its high biodiversity is sometimes referred to as the "Serengeti of Papua"?
• India's Kanjli Wetland, a manmade wetland created in 1870, has been recognised by the Ramsar Convention for its rich biodiversity?

Facts on topics related to Biodiversity

Nature

• Stoic philosophy contrasts kathekonta, actions in accordance with nature, with "perfect actions" (katorthomata) derived from pure reason?
• Bron Taylor coined the term "dark green religion" as a set of beliefs characterized by a conviction that "nature is sacred, has intrinsic value, and is therefore due reverent care"?

Ecology

• the water crisis is the ongoing worldwide shortfall of drinking water, sanitation and ecological support that finds 1.1 billion people without safe water?
• the word ecology was coined by Ellen Swallow Richards, the first woman admitted to the Massachusetts Institute of Technology?

Ecosystem

• thermal vent ecosystems have been discovered in the Aegean Sea, in the caldera of Kolumbo underwater volcano?
• Laguna Ojo de Libre is a World Heritage Site that combines the ecosystems for species such as the grey whale with industrialisation?
• American lexicographer Robert L. Chapman added ecosystem and yuppie to Roget's Thesaurus?
• a regional park established to protect Nevėžis River ecosystem in Lithuania also breeds wisents?
• the ecosystem contained in Myanmar's N'Mai River watershed contains some of the most diverse flora of its type in the world, yet it is threatened with destruction through damming?
• the Norwegian river Lysakerelven, an ecosystem of national importance, has walking and cycling trails on both banks from its source to its mouth at the Oslofjord?
• the Arly-Singou ecosystem shelters the largest remaining population of lions in West Africa?

Natural environment

• marathon races only receive IAAF Gold Label Road Race status if organisers have taken steps to preserve the environment?
• shrimp farms are a serious threat to the environment because they cause widespread destruction of mangroves and disperse antibiotics through their wastewater?

Extinction

• James Bond attributed the extinction of the Puerto Rican Conure to pigeon hunters visiting Mona Island?
• Arthropleuridea is an extinct class of myriapods which includes, at over 2 meters long, the largest terrestrial arthropods that ever lived?
• Chillingham Cattle have lived as an isolated herd for 700 years, and are believed to be closely related to the aurochs, an extinct species domesticated in the Stone Age?
• endangered arthropods (example pictured) are becoming extinct in such large numbers that many are not catalogued?
• Meru Betiri National Park in East Java is known as the last habitat of the Javan Tiger which is now considered extinct?
• Archidermapteron martynovi is an extinct species of earwig named for Andrey Vasilyevich Martynov, who conducted extensive studies of fossil insects in the Soviet Union?
• Lytocaryum weddellianum, an endangered species of palm trees endemic to Brazil, may be saved from extinction as it has become a common potted plant in Europe?
• Nymphaea thermarum (pictured), the world's smallest water lily, was recently saved from extinction?
• although the Norfolk Island Pigeon was hunted to extinction by humans, its first hunters disappeared from Norfolk Island before it did?
• although the teeth of the extinct rodent Holochilus primigenus are almost identical to those of Lund's Amphibious Rat, it is probably more closely related to marsh rats?