intergrade

The two species do not overlap and there is no intergrade zone.

The intergrade zone is in Veracruz.

There are five subspecies divided into two plumage types, northern and southern, that intergrade in central Veracruz.

Although the subspecies of painted turtle intergrade (blend together) at range boundaries they are distinct within the hearts of their ranges.

This animal must be a first generation intergrade between the subspecies of the islands Isabela and Pinta.

The great group categories are divided into three kinds of soil subgroups: typic, intergrade and extragrade.

An intergrade subgroup describes the properties that suggest how it grades towards (is similar to) soils of other soil great groups, suborders or orders.

The Andean Snipe is found in marshy areas where grassland and forest intergrade, at altitudes ranging between 2,100 - 3,800 m (mostly 3000-3500 m).

It was once thought to be an intergrade of Brodiaea filifolia and B. orcuttii, but measurements found this to be false.

Four subspecies of the Common Tern are generally recognized, although S. h. minussensis is sometimes considered to be an intergrade between S. h. hirundo and S. h. longipennis.

In the United States, the western subspecies forms a wide intergrade area with the midland subspecies covering much of Illinois as well as a strip of Wisconsin along Lake Michigan and part of the Upper Peninsula of Michigan (UP).

This snake was long considered an intergrade subspecies of the Corn Snake (Pantherophis guttata) and Great Plains Rat Snake (Pantherophis emoryi), but it has recently been elevated to species status and named to honor the memory of Joseph Bruno Slowinski.

Where the varieties of the pincushion cactus meet, they intergrade.

The two forms gradually intergrade into each other.

In some areas the two species appear to intergrade, as specimens may be found whose spines turn brown but do not fall off.

There are two varieties, which intergrade where they meet:

It is known to intergrade with the nominate subspecies where their ranges overlap.

Not all of these are accepted in South Australia, where the subspecies tend to intergrade.

There are five varieties which intergrade, some of which are very limited in distribution.

On the western side, they intergrade with wet prairies, an ecosystem type that was once vast, and now has been all but eliminated.

They intergrade in some regions.

Several aberrant color patterns for A. c. contortrix, or populations that intergrade with it, have also been reported.

Seems to intergrade with sinuosa and insularis where their ranges meet.

Though sympatric with Common Stonechat in its range, they do not intergrade.

The following is a list of quantitative "tools" used by sustainability scientists - the different categories are for convenience only as defining criteria will intergrade.

There are numerous forms in North America that tend to intergrade with A. pantherina.

Thus Ontario's western subspecies does not intergrade with the midland painted turtle of southeastern Ontario.

There are three weakly defined subspecies, which vary slightly in size and mantle colour; they intergrade where their ranges meet:

Two important subclasses of lakes are ponds, which typically are small lakes that intergrade with wetlands, and water reservoirs.

In wetter conditions, they grade into rich marshes and sedge meadows, which intergrade with forested sand ridges in the "Fingers".

In Arizona, they intergrade with the desert kingsnake and the Mexican black kingsnake.

It is known to intergrade with the eastern yellowbelly racer (Coluber constrictor flaviventris).

The unit consists of mudstones that intergrade into coarser shelly sandstones that sometimes form small nodules.

They intergrade broadly where their ranges meet, from southeastern England south through France and Spain, and many individuals are not identifiable to subspecies.

Its range overlaps that of the desert kingsnake, Lampropeltis getula splendida, and it is known to intergrade with that subspecies.

It was once thought by herpetologists to intergrade with Lampropeltis elapsoides, the scarlet kingsnake, in a portion of its southern range, but this has been disproved.

This sunbird is sometimes treated as a subspecies of Fraser's Sunbird, Deleornis fraseri, but is not known to intergrade.