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The yellow-bellied sapsucker has a length of around 19 to 21 centimetres ( to in), and an average weight of 50.3 grams (1.77 oz), although this can range anywhere from 35 to 62 grams (1.2 to 2.2 oz). The yellow-bellied sapsucker has a wingspan that ranges from 34 to 40 centimetres ( to in). [10] The forehead is coloured bright red in the male ...
The genus Sphyrapicus was introduced in 1858 by the American naturalist Spencer Baird with the yellow-bellied sapsucker (Sphyrapicus varius) as the type species. [2] The genus name combines the Ancient Greek sphura meaning "hammer" and pikos meaning "woodpecker". [3] The genus is sister to the genus Melanerpes; both genera are members of the ...
Description. Adult males are iridescent black on their head, back, sides and tail. They have a white stripe behind the eye and a lower white stripe across each side of the head, a red chin and a bright yellow belly. They have black wings with large white patches. The female is completely different in appearance: mainly black, with a pale yellow ...
The red-naped sapsucker is a medium-sized woodpecker, [11] measuring 19–21 cm (7.5–8.3 in) long and weighing 32–66 g (1.1–2.3 oz). [12] Adults have a black head with a red forehead, white stripes, and a red spot on the nape; they have a white lower belly and rump. They have a yellow breast and upper belly. They are black on the back and ...
Occasionally, aphids also ingest xylem sap, which is a more dilute diet than phloem sap as the concentrations of sugars and amino acids are 1% of those in the phloem. [ 33 ] [ 34 ] Xylem sap is under negative hydrostatic pressure and requires active sucking, suggesting an important role in aphid physiology. [ 35 ]
Turpentine (which is also called spirit of turpentine, oil of turpentine, terebenthine, terebenthene, terebinthine and, colloquially, turps) [2] is a fluid obtained by the distillation of resin harvested from living trees, mainly pines. Principally used as a specialized solvent, it is also a source of material for organic syntheses.
Sacoglossa are a superorder of small sea slugs and sea snails, marine gastropod mollusks that belong to the clade Heterobranchia known as sacoglossans. There are 284 valid species recognized within this superorder. [3] Sacoglossans live by ingesting the cellular contents of algae, hence they are sometimes called "sap-sucking sea slugs". [4]
Sapping is a term used in siege operations to describe the digging of a covered trench (a "sap" [1]) to approach a besieged place without danger from the enemy's fire. [2] The purpose of the sap is usually to advance a besieging army's position towards an attacked fortification. It is excavated by specialised military units, whose members are ...