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In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct. Contents
ln – natural logarithm, log e. lnp1 – natural logarithm plus 1 function. ln1p – natural logarithm plus 1 function. log – logarithm. (If without a subscript, this may mean either log 10 or log e.) logh – natural logarithm, log e. [6] LST – language of set theory. lub – least upper bound. [1] (Also written sup.)
Accipitridae is a family of birds of prey which includes hawks, eagles, kites, harriers, and Old World vultures. These birds have very large powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons, and keen eyesight. White-tailed kite, Elanus leucurus; Golden eagle, Aquila chrysaetos; Northern harrier, Circus hudsonius
The overall grade for the class is then typically weighted so that the final grade represents a stated proportion of different types of work. For example, daily homework may be counted as 50% of the final grade, chapter quizzes may count for 20%, the comprehensive final exam may count for 20%, [1] and a major project may count for the remaining ...
Many species have contrasting black, rufous or yellow caps or distinctive facial patterns, often with white or yellow "spectacles" around the eye. The painted whitestart , the most northern form, is larger (15 cm (5.9 in) long) and has a different plumage pattern, song and behaviour from the other whitestarts.
2. Orthogonal subspace in the dual space: If W is a linear subspace (or a submodule) of a vector space (or of a module) V, then may denote the orthogonal subspace of W, that is, the set of all linear forms that map W to zero. 3. For inline uses of the symbol, see ⊥.
The White Company - Arthur Conan Doyle ; The White Goddess - Robert Graves ; White Gold Wielder: Book Three of the Second Chronicles of Thomas Covenant - Stephen R. Donaldson ; The White Hotel - D. M. Thomas ; White House Years - Henry Kissinger ; The White Negro: Superficial Reflections on the Hipster - Norman Mailer
List of bird genera concerns the chordata class of aves or birds, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, and a high metabolic rate. Restless flycatcher in the downstroke of flapping flight