Ángel Cabrera was a Spanish zoologist.
Chersobius signatus is the world's smallest species of tortoise. The species is commonly known as the speckled tortoise and also known locally as the speckled padloper and internationally as the speckled Cape tortoise. A member of the genus Chersobius, it is endemic to South Africa.
The searcher, Bathymaster signatus, is a fish native to the Northern Pacific Ocean. Its range includes the East Siberian Sea to eastern Kamchatka and the Komandorski Islands, Russia to the state of Washington, United States including the Sea of Okhotsk. It is found off shore to depths of about 300 meters, but has been reported down to 825 m. It can reach a total size over 38 cm.
The Iberian wolf also known as Spanish wolf, is a proposed subspecies of grey wolf that inhabits the northwest of the Iberian Peninsula, which includes northern Portugal and northwestern Spain. It is home to 2,200-2,500 wolves which have been isolated from mixing with other wolf populations for over a century. These form the largest wolf population in Western Europe.
Leptomys is a genus of rodent from New Guinea. It is considered part of the New Guinea Old Endemics, meaning it was part of the first wave of murine rodents to colonize the island.
The night shark is a species of requiem shark, in the family Carcharhinidae, found in the temperate and tropical waters of the Atlantic Ocean. An inhabitant of the outer continental shelf and upper continental slope, this shark most commonly occurs at depths of 50–600 m (160–1,970 ft) and conducts a diel vertical migration, spending the day in deeper water and moving into shallower waters at night. Off northeastern Brazil, large numbers congregate around seamounts of varying depth. A slender, streamlined species, the night shark typically reaches a length of 2 m (6.6 ft). It can be identified by its long pointed snout and large green eyes, and is dark grayish blue or brown above and white below.
The Fly River water rat is a species of rodent in the family Muridae. It is found only in Papua New Guinea. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
The pale-legged warbler is a species of bird in the Parulidae family. It is native to Argentina, Bolivia, Colombia and Peru. Its habitats include subtropical or tropical moist montane, as well as subtropical or tropical heavily degraded former forest.
Scinax x-signatus is a species of frog in the family Hylidae. It is found in Brazil, the Guyanas, Venezuela and Colombia. Introduced populations exist on Guadeloupe and two nearby smaller islands, Marie Galante and La Désirade, and on Martinique. It may represent more than one species.
Raorchestes signatus is a species of frog in the family Rhacophoridae. It is endemic to the Western Ghats, India.
The chestnut-headed sparrow-lark or chestnut-headed finch-lark is a species of passerine bird in the family Alaudidae. It is found in eastern and north-eastern Africa. Its natural habitats are subtropical or tropical dry shrubland, subtropical or tropical dry lowland grassland, and hot deserts.
Lamprologus signatus is a species of cichlid endemic to Lake Tanganyika where it prefers deep waters over muddy substrates. This species is a shell dweller. This species can reach a length of 5.5 centimetres (2.2 in) TL. It can also be found in the aquarium trade.
Max Fernand Leon Poll was a Belgian ichthyologist who specialised in the Cichlidae. In the years 1946 and 1947 he organised an expedition to Lake Tanganyika.
Anthonomus signatus, the strawberry bud weevil, is a weevil that is a significant pest of strawberries in North America. It is also thought to be a major pest to raspberries. It is native to North America.
Tyloxoles v-signatus is a species of beetle in the family Cerambycidae. It was described by Schwarzer in 1931. It is known from the Philippines.
Gymnostylus latifrons is a species of beetle in the family Cerambycidae. It was described by Stephan von Breuning in 1970. It is known from the Central African Republic, Cameroon, and the Democratic Republic of the Congo.
Habronattus signatus is a species of jumping spider in the family Salticidae. It is found in the United States and Mexico.
Hydroporus signatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Creontiades signatus, the verde plant bug, is a species of plant bug in the family Miridae. It is found in Central America and North America.
Chersobius is a genus of tiny tortoises in the family Testudinidae, endemic to southern Africa. The genus includes the smallest tortoises in the world. All three species were previously assigned to the genus Homopus.
