Many species in the iris family have a great economic importance in ornamental horticulture and the cut flower industry, especially Gladiolus, Freesia, Sparaxis, Iris, Tigridia ( tiger lily ), Ixia ( corn lily ), Romulea, Neomarica, Moraea ( butterfly lily ), Nemastylis, Belamcanda, Sisyrinchium ( blue-eyed grass ), Crocosmia and Trimezia.

Many species have an erect woody stem which is covered with persistent dried leaves unless there have been fires, topped by a crown of long thin leaves.

Many species of Aloe are used medicinally and in cosmetics.

Many species of Amaryllidoideae are popular as ornamentals in parks and gardens.

Many individual names are formed by adding the suffix " ine " to the species or genus name.

Many defoliated forest areas were quickly invaded by aggressive pioneer species, such as bamboo and cogon grass, which make it unlikely the forests will be able to regenerate.

Many species undertake long distance annual migrations, and many more perform shorter irregular movements.

Many species are of economic importance, mostly as sources of food acquired through hunting or farming.

Many primate and bear species will adopt a bipedal gait in order to reach food or explore their environment.

Many species of lizards become bipedal during high-speed, sprint locomotion, including the world's fastest lizard, the spiny-tailed iguana ( genus Ctenosaura ).

Many Bacillus species are able to secrete large quantities of enzymes.

Many species of carnivorans are solitary, but a few are gregarious.

Many larger, pelagic species such as the Mackerel Sharks ( Lamnidae ) and the Thresher Sharks ( Alopiidae ) no longer possess them.

Many species of neornithines can build burrows, or nest in tree holes or termite nests, all of which provided shelter from the environmental effects at the K – T boundary.

Many species have large, yellow or white flowers.

Many cnidarian species produce colonies that are single organisms composed of medusa-like or polyp-like zooids, or both.

Many species prey on the cane toad in its native habitat, including the broad-snouted caiman ( Caiman latirostris ), the banded cat-eyed snake ( Leptodeira annulata ), the eel ( family: Anguillidae ), various species of killifish, the rock flagtail ( Kuhlia rupestris ), some species of catfish ( order: Siluriformes ).

Many sources list the domestic dog as Canis familiaris, but others, including the Smithsonian Institution and the American Society of Mammalogists, more precisely list it as a subspecies of C. l. familiaris ; the red wolf, eastern Canadian wolf, and Indian wolf may or may not be separate species ; in the past, the dingo has been variously classified as Canis dingo, Canis familiaris dingo and Canis lupus familiaris dingo.

Many of the predatory species are important controls of agricultural pests.

Many chaparral plant species require some fire cue ( heat, smoke, or charred wood, and chemical changes in the soil following fires ) for germination.

Many animal species practice coprophagia as a matter of course ; other species do not normally consume feces but may do so under unusual conditions.

Many species of cactus have long, sharp spine ( botany ) | spines, like this Opuntia.

Many species nest either on cliffs or on level ground but prefer cliffs, however the Böhm's Bee-eater always nests on level ground.

Many of these birds breed and nest in the refuge.

Many seabirds show remarkable site fidelity, returning to the same burrow, nest or site for many years, and they will defend that site from rivals with great vigour.

Many kinds of birds nest in marshes ; this one is a Yellow-headed blackbird.

Many fully migratory species show leap-frog migration ( birds that nest at higher latitudes spend the winter at lower latitudes ), and many show the alternative, " chain migration " where populations ' slide ' more evenly North and South without reversing order.

Many birds in the swift family, Apodidae, produce a viscous saliva during nesting season to glue together materials to construct a nest.

Many cave, bank and cliff dwelling species of swallow nest in large colonies.

Many species incorporate a trailing tail into the base of the nest ; this possibly breaks up the shape of the nest, although little other effort is made to conceal the nest.

Many species of ducks, including the Canvasback, are highly migratory, but are effectively conserved by protecting the places where they nest, even though they may be hunted away from their breeding grounds.

Many even breed communally, with a dominant pair building a nest, and the remainder helping to defend and rear their young.

Many species lay a single egg in a nest so flimsy that the egg can be seen from underneath.

Many of the habitat characteristics discussed in the Preferred Habitat section have been observed in the area immediately around nest sites.

Many birds, particularly seabirds, though they nest in dense communities, are nonetheless territorial in that they defend their nesting site to within the distance that they can reach while brooding.

Many passerines and a few non-passerines, including some hummingbirds and some swifts, build this type of nest.

Many raptors, like the Osprey, use the same huge platform nest for years, adding new material each season.

Many birds nest close to human habitations and some have been specially encouraged.

Many nest in pre-existing cavities, or dig simple burrows in the soil, but there are also species which construct free-standing nests of mud and even ( in one genus ) resin.

Many of her designs nest together creating modular designs that also function to save space.

Many cities in Europe take pride in their local population of storks, which nest on roofs or in church towers that replace the trees they would naturally nest in.

Many birds nest in ground burrows on the islands.