A raven is any of several larger-bodied passerine bird species in the genus Corvus. These species do not form a single taxonomic group within the genus. There is no consistent distinction between "crows" and "ravens", common names which are assigned to different species chiefly based on their size.
Gray squirrel or grey squirrel may refer to several species of squirrel indigenous to North America:
The bluish-grey saltator or Amazonian grey saltator is a passerine bird in the tanager family Thraupidae that is widespread in semi-open habitats in tropical and subtropical South America.
A crow is a bird of the genus Corvus, or more broadly a synonym for all of Corvus. The word "crow" is used as part of the common name of many species. The related term "raven" is not linked scientifically to any certain trait, but is rather a general grouping for larger species of Corvus.
Saltator is a genus of passerine birds in the tanager family Thraupidae that are found in Central and South America. They have thick bills, relatively long tails and strong legs and feet. Before the introduction of molecular genetic methods in the 21st century these species were placed in the cardinal family Cardinalidae.
Grosbeak is a form taxon containing various species of seed-eating passerine birds with large beaks. Although they all belong to the superfamily Passeroidea, these birds are not part of a natural group but rather a polyphyletic assemblage of distantly related songbirds. Some are cardueline finches in the family Fringillidae, while others are cardinals in the family Cardinalidae; one is a member of the weaver family Ploceidae. The word "grosbeak", first applied in the late 1670s, is a partial translation of the French grosbec, where gros means "large" and bec means "beak".
The gray fox is a species of fox found in North, Central, and northern South America.
The buff-throated saltator is a seed-eating bird in the tanager family Thraupidae. It breeds from southeastern Mexico to western Ecuador and northeastern Brazil.
The black-headed saltator is a seed-eating bird in the tanager family Thraupidae. It breeds from central Mexico to eastern Panama.
Zapus is a genus of North American jumping mouse. It is the only genus whose members have the dental formula 1.0.1.31.0.0.3. Zapus are the only extant mammals aside from the Aye-aye with a total of 18 teeth.
The slate-coloured grosbeak is a species of grosbeak in the family Thraupidae. Most of its range is the Amazon in South America, but it is also found in forests of the Chocó in Ecuador and Colombia, and southern Central America from Panama to Honduras.
The thick-billed saltator is a species of saltator in the family Thraupidae. It is found in highland Atlantic Forest in southeastern Brazil, far northeastern Argentina, and perhaps far eastern Paraguay. Unlike most other saltators, it is sexually dichromatic: Females resemble a green-winged saltator, but with a thicker bill, greener face and buff throat. The male thick-billed saltator is unique with its long white eyebrow, grey back, and black and orange beak.
The rufous-bellied mountain tanager or rufous-bellied saltator is a species of songbird in the tanager familily Thraupidae and is the only member of the genus Pseudosaltator. It is found in the eastern Andes of southern Bolivia and extreme northern Argentina. It occurs mostly at altitudes from 3000 m to 4000 m. Its habitat is open land, including cultivated land, that has patches of scrub, alder trees, or Polylepis trees. It is threatened by habitat loss.
The green-winged saltator is a species of saltator in the family Thraupidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay, and ranges into the southern cerrado and the pantanal.
Talitrus saltator, a species of sand hopper, is a common amphipod crustacean of sandy coasts around Europe. The animal's typical "hopping" movement gives it its common name, and is produced by a flexion of the abdomen. In order to do this, it must stand on its legs and suddenly extend its abdomen from under its body. It can thus leap several inches into the air, although without any control over its direction. A great deal of scientific research has been carried out on the animal, to determine the environmental cues which it uses to control its behavior.
Grey willow or gray willow may refer to:
Cymbopetalum mayanum is a species of plant in family Annonaceae. The specific epithet mayanum refers to the Mayan region in which it is indigenous, specifically the Atlantic lowlands of Guatemala and Honduras. It grows as a tree. It is endangered due to habitat loss from agriculture.
The cinnamon-bellied saltator or northern grey saltator is a passerine bird in the tanager family Thraupidae. It was formerly considered conspecific with the greyish saltator, but was split as a distinct species by the IOC in 2021. It is found from Mexico to Panama.
The olive-grey saltator, also known as the Caribbean grey saltator, is a passerine bird in the tanager family Thraupidae, native to Colombia, Venezuela, the Guianas, far northern Brazil, and Trinidad. It was formerly considered conspecific with the greyish saltator, but was split as a distinct species by the IOC in 2021. The olive-grey saltator includes the subspecies brewsteri and plumbeus.
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