Unlike most such sports rivalries, it appeared to have developed almost spontaneously, although this was not exactly the case.

Unlike most incarnations of Miss Marple, this one smoked cigarettes.

Unlike pure metals, most alloys do not have a single melting point, but a melting range in which the material is a mixture of solid and liquid phases.

Unlike most theropods, Albertosaurus and other tyrannosaurids were heterodont, with teeth of different forms depending on their position in the mouth.

Unlike most of the early LAN systems, AppleTalk was not built using the archetypal Xerox XNS system.

Unlike most Common-law jurisdictions, the majority of civil law jurisdictions have specialized courts or sections to deal with administrative cases which, as a rule, will apply procedural rules specifically designed for such cases and different from that applied in private-law proceedings, such as contract or tort claims.

Unlike the NES or Sega Master System, there were few add-on peripherals for the 7800, though its backwards compatibility feature allowed it to be compatible with most Atari 2600 peripherals.

Unlike the communist parties in most other East European states, the BCP ( changing its name to Bulgarian Socialist Party ) retained majority power after the transition in Bulgaria by winning the first free national elections in June 1990.

Unlike most cranes, it has a relatively large head and a proportionately thin neck.

Unlike Zealous, these British ships suffered relatively severe damage in the engagement ; Goliath lost most of its rigging, suffered damage to all three masts and received over 60 casualties.

Unlike other C-suite positions, which tend to be defined according to commonly designated responsibilities across most companies, the COO job tends to be defined in relation to the specific CEO with whom he / she works, given the close working relationship of these two individuals.

Unlike in most other role-playing games, eventual triumph of the players is not assumed.

Unlike its predecessor games, CoC assumed that most investigators would not survive, alive or sane, and that the only safe way to deal with the vast majority of nasty things described in the rule books was to run away.

Unlike feces, urine doesn't attract disease-spreading flies ( such as house flies or blow flies ), and it doesn't contain the most hardy of pathogens, such as parasitic worm eggs.

Unlike Inter-city, it stops at most or all stations between cities.

Unlike most sports, men and women compete and are ranked together.

Unlike other college football divisions and most other sports — collegiateor professional — the Football Bowl Subdivision, formerly known as Division I-A college football, does not employ a playoff system to determine a champion.

Unlike most ( private ) corporate bodies, creatures of statute cannot expand their business interests into other diverse areas.

Unlike the modern historian, most chroniclers tended to take their information as they found it, and made little attempt to separate fact from legend.

Unlike many other succulents, the stem is the only part of most cacti where this vital process takes place.

Unlike most amnesiacs, Leonard retains his identity and the memories of events that occurred before the injury, but loses all ability to form new memories.

Unlike most other DOS systems, it was integrated into the disk drives, not loaded into the computer's own memory.

Unlike most social canids ( but similar to African wild dogs ), dholes let their pups eat first at a kill.

Unlike the violone, however, the fingerboard of the double bass is unfretted, and the double bass has fewer strings ( the violone, like most viols, generally had six strings, although some specimens had five or four ).

Unlike most other external DOS commands, it has not been transformed into a native Win32 program.

Unlike all other living birds, the Ostrich secretes urine separately from faeces.

Unlike earlier pterosaurs such as Rhamphorhynchus and Pterodactylus, Pteranodon had toothless beaks, similar to those of modern birds.

Unlike most previous definitions of Reptilia, however, Modesto and Anderson's definition includes birds.

Unlike most birds, rheas have only three toes.

Unlike most birds, both sexes of doves and pigeons produce " crop milk " to feed to their young, secreted by a sloughing of fluid-filled cells from the lining of the crop.

Unlike many water birds, dippers are generally similar in form to many terrestrial birds ( for example they do not have webbed feet ), but they do have some morphological and physiological adaptations to their aquatic habits.

Unlike other land birds, the Kakapo can accumulate large amounts of body fat to store energy, making it the heaviest parrot.

Unlike other flightless birds, the ratites have no keel on their sternum — hence the name from the Latin ratis ( for raft ).

Unlike cold-blooded animals, mammals and birds have only one class of chromatophore-like cell type: the melanocyte.

Unlike most birds of prey, the Secretary Bird is largely terrestrial, hunting its prey on foot.

Unlike many small to medium birds in the Procellariiformes, they are neither nocturnal breeders, nor do they use burrows ; their eggs are laid on the bare rock or in shallow depressions lined with plant material.

Unlike many other wading birds, Black-fronted Dotterels retain the same plumage all year round, which makes identification easier.

Unlike most birds of prey, the male is larger than the female.

Unlike the " white " Sterna terns, these birds do not dive for fish, but forage on the wing picking up items at or near the water's surface or catching insects in flight.

Unlike many other islands, Inaccessible Island has remained free from introduced predators, allowing this species to flourish while many other flightless birds, including the even smaller Stephens Island Wren, have perished.

Unlike more specialised birds such as the Eurasian Nuthatch and the Eurasian Treecreeper, both of which forage on tree trunks, the kinglets do not need large woodlands, and their population density is independent of forest size.

Unlike more specialised birds such as Eurasian Nuthatch and Common Treecreeper, both of which forage on trunks, the crests do not need large woodlands, and their population density is independent of forest size.

Unlike other hirundines, these birds feed close to their breeding sites, and may be locally vulnerable to fluctuations in insect availability.

Unlike Darwin, however, Newton's interest stayed with birds, some of which were rare even in those days.

Unlike the more northerly Common Swift, many birds are resident, but some populations are migratory, and winter further south than their breeding areas.

Unlike many birds, the grackle benefits from the expansion of human populations due to its resourceful and opportunistic nature.

Unlike most warblers, this species has been known to mimic the calls of other birds.

Unlike the Falco falcons in the same family, the birds in the five relevant genera are not fast-flying aerial hunters, but are comparatively slow and are often scavengers ( a notable exception being the Red-throated Caracara ).