Sentence examples for a dark morph from inspiring English sources

Subspecies sparverioides of Cuba, the Isle of Pines, and the Bahamas is the most distinctive; it has a dark morph that is very sooty overall and a light morph that is much paler than most other populations.

In the 19th century a dark morph of the moth emerged in response to air pollution during the Industrial Revolution and became the dominant colour morph, almost completely replacing the light-coloured form.

Scott [ 58] was "struck by the unicolorous black hue of the body" of some snails and one chloropid fly in high altitudes in Ethiopia, and we report here a uniquely dark morph of D. melanogaster from Ethiopia as well.

This petrel is a relatively large and sturdy species with variable plumage, ranging from pale headed and pale bellied morphs, to all dark morphs.

The dark morph has a blackish head and dark barring below, while the more frequent pale morph has a gray head and reddish barring below.

The dark morph has a tendency to be more heavily infested with the blood sucking fly Carnus haemapterus while the lighter morphs tend to carry higher loads of the malaria-like blood parasite Leucocytozoon buteonis (formerly known as L. toddi) [ 11].

Color morphs differed significantly from each other in body shape; the gold morph was generally deeper bodied and had a larger head compared to the dark morph.

We suggest that the need to maintain low GSH levels for eumelanogenesis in dark morph individuals may represent a physiological constraint that helps regulate the evolution and maintenance of polymorphisms.

In 1848 a dark (melanic) morph of the peppered moth was first noticed in Manchester, Eng.

The dark morph is black overall, with a grayish tail banded narrowly in black.

The eco-morphological differentiation was of the same pattern and direction, though to a lesser extent, as we found in the wild populations; laboratory-reared gold individuals had a larger head and sturdier pharyngeal jaws than their dark morph sibs (Fig.  3).