Some species in the Plethodontidae have a weak zone at the base of the tail and if the salamander is in danger or if the tail is grabbed by a predator, it breaks off, a process known as autotomy.

Some species complete their development inside the egg and hatch directly into small frogs.

Some species are carnivorous at the tadpole stage, eating insects, smaller tadpoles and fish.

Some members of the genera Ambystoma and Dicamptodon have larvae that never fully develop into the adult form but this varies with species and with populations.

Some species of salamander emit a quiet squeak or yelp if attacked.

Some unicellular species rely entirely on external energy sources and have limited or no photosynthetic apparatus.

Some of the species of Allium are important food plants for example onions ( Allium cepa ), chives ( A. schoenoprasum ), garlic ( A. sativum and A. scordoprasum ), and leeks ( A. porrum ).

Some endangered species in British Columbia are: Vancouver Island marmot, Spotted Owl, American White Pelican, and badgers.

Some birds, especially corvids and parrots, are among the most intelligent animal species ; a number of bird species have been observed manufacturing and using tools, and many social species exhibit cultural transmission of knowledge across generations.

Some species, particularly songbirds and parrots, are popular as pets.

Some aspects of brain structure are common to almost the entire range of animals species ; others distinguish " advanced " brains from more primitive ones, or distinguish vertebrates from invertebrates.

Some suggest Neanderthal, Homo erectus, or Homo heidelbergensis to be the creature, but no remains of any of those species have been found in the Americas.

Some species of mold produce alpha-galactosidase, an anti-oligosaccharide enzyme, which humans can take to facilitate digestion of oligosaccharides in the small intestine.

Some species, such as the Lesser Dwarf Lemur, store fat at the hind legs and the base of the tail and hibernate.

Some rare species are viviparous.

Some cosmologists have proposed that Big Bang nucleosynthesis suggests there is a fourth " sterile " species of neutrino.

Some species and genera had a very wide distribution with only minor variations.

Some botanical species are trees having similar foliage to the Lauraceae due to convergent evolution.

Some of the country's most endangered species are the Harpy eagle, the Giant anteater, the Golden toad and the Jaguar.

* Some Dracocephalum, Glechoma and Calamintha species were formerly classified in Nepeta.

* Some crustaceans, such as the coconut crab, though mainly omnivorous, will prey on turtle hatchlings, smaller crabs species, rats, and carrion

Some species form packs or live in small family groups depending on the circumstances, including the type of available food.

Some canid species have also been trapped and hunted for their fur and, especially the gray wolf and the red fox, for sport.

Some sources include the requirement that the curve may not cross the line infinitely often, but this is unusual for modern authors.

Some brochs such as Dun Dornaigill and Culswick in Shetland have unusual triangular lintels above the entrance door.

Some flat panels have unusual pixel arrangements, with the colors in a different order, or with the subpixels positioned differently ( in three horizontal bands, or in other ways ).

" Some unusual engines ", 1975 The Institution of Mechanical Engineers, London.

Some users familiar with character interrupt-driven terminal interfaces ( such as UNIX ) find this technique unusual.

Some critics disliked the unusual design, however, and criticized the reliance on triangles throughout the building.

In December they released the " MOR "- psychedelic single " Some Velvet Morning ", regarded as one of the more unusual singles in pop, and the peak of Sinatra and Hazlewood ’ s vocal collaborations.

Some of the captive-breeding programs for some equids are unusual, in that breeders have been carefully selecting specimens to recreate various recently extinct equids, such as the tarpan and quagga.

Some groups seeking greater understanding and acceptance of sexual diversity have lobbied for changes to the legal and medical status of unusual sexual interests and practices.

Some pawnshops may keep a few unusual, high value items on display to capture the interests of passersby, such as a vintage Harley Davidson motorcycle ; the owner is not typically expecting to sell these items.

Some Israeli pizza differs from pizza in other countries because of the very large portions of vegetable toppings such as mushrooms or onions, and some unusual toppings, like corn or labane, and middle-Eastern spices, such as za ' atar.

Some of these cameras were full-frame ; some were half-frame, and at least one Robot camera produced an unusual square-sized image on the 35 mm frame.

Some of the unusual sounds were created by a variation of silly putty and dimes tucked between and over the strings of the piano.

Some solar panels, or photovoltaic arrays, can be flexible enough to fit to slightly curved surfaces and can be ordered in unusual shapes and sizes.

Some modern scholars also view the unusual decision of Darius to give the throne to Xerxes to be a result of his consideration of the unique positions that Cyrus the Great and his daughter Atossa have had.

Some ( very rare ) nouns change gender according to the way they are used: the words amour, délice (" love " and " delight, pleasure ") are masculine in singular and feminine in plural ; the word orgue (" organ ") is masculine, but when used emphatically in plural to refer to a church organ it becomes feminine ( les grandes orgues ); the plural name gens (" people ") changes gender in a very unusual way, depending on the adjectives that are used with it.

Some apocrypha and pseudepigraphic sources express pessimism about human nature (" A grain of evil seed was sown in Adam's heart from the beginning "), and the Talmud ( b. Avodah Zarah 22b ) has an unusual passage which Edward Kessler describes as " the serpent seduced Eve in paradise and impregnated her with spiritual-physicial ' dirt ' which was inherited through the generations ," but the revelation at Sinai and the reception of the Torah cleansed Israel.

Some of these works were madrigals in Latin, an unusual language for the form ( most madrigals were in Italian ); others were songs in German, and others were compositions in Latin.

Some minerals exhibit unusual optical phenomena, such as asterism ( the display of a star-shaped luminous area ) or chatoyancy ( the display of luminous bands, which appear to move as the specimen is rotated ).

Some breeds of cat have been created by taking a single tom cat or queen with an unusual physical characteristic that breeds true.

Some current historians tend to believe Herodotus ' account, primarily because he stated with disbelief that the Phoenicians " as they sailed on a westerly course round the southern end of Libya ( Africa ), they had the sun on their right-to northward of them " ( The Histories 4. 42 ) -- in Herodotus ' time it was not known that Africa extended south past the equator ; however, Egyptologists also point out that it would have been extremely unusual for an Egyptian Pharaoh to carry out such an expedition.

Some species, especially those with unusual bill shapes such as the Sword-billed Hummingbird and the sicklebills, are co-evolved with a small number of flower species.

Some forms of dwarfism are associated with disordered function of other organs, such as the brain or liver, sometimes severely enough to be more of an impairment than the unusual bone growth.

Some of the lochs contain a mixture of fresh and tidal salt water, giving rise to some complex and unusual habitats.