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spoonbill

(Encyclopedia)spoonbill, common name for a large wading bird related to the ibis. It has a long bill with a tip like a flattened spoon, with which it captures small aquatic animals. The roseate spoonbill, Ajaia aja...

pickerelweed

(Encyclopedia)pickerelweed, common name for the Pontederiaceae, a family of chiefly tropical perennial aquatic herbs found in freshwater. The pickerelweeds (genus Pontederia) range north into temperate regions, inc...

diatom

(Encyclopedia)diatom dīˈətŏmˌ, –tōmˌ [key], unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly, although s...

neoteny

(Encyclopedia)neoteny nēŏtˈənē [key], in biology, sexual maturity reached in the larval stage of some animals. Certain environmental conditions can inhibit the completion of metamorphosis; low temperature or l...

arrowhead

(Encyclopedia)CE5 Broad-leaved arrowhead, Sagittaria latifolia arrowhead, any plant of the genus Sagittaria, widely distributed marsh or aquatic herbs of the primitive family Alismataceae (water-plantain family...

Xochimilco

(Encyclopedia)Xochimilco sōchēmēlˈkō [key], town (1990 pop. 271,151), Federal District, S central Mexico, suburb of Mexico City. Mainly a commercial and tourist center, it is famous for its canals lined with p...

Sudd

(Encyclopedia)Sudd so͝od [key], swampy region, c.200 mi (320 km) long, and c.150 mi (240 km) wide, central South Sudan, E central Africa. It is fed by the Bahr el Jebel, the Bahr el Ghazal, and the Bahr el Arab, h...

Venus's-flytrap

(Encyclopedia)Venus's-flytrap, insectivorous or carnivorous bog plant (Dionaea muscipula) native to the Carolina savannas and now widely cultivated as a novelty. The leaves, borne in a low rosette, resemble bear tr...

chamois

(Encyclopedia)chamois shămˈē [key], hollow-horned, hoofed mammal, Rupicapra rupicapra, found in the mountains of Europe and the E Mediterranean. It is about the size of a large goat and is light brown with a bla...

flying lemur

(Encyclopedia)flying lemur, gliding mammal native to the tropical lowland forests of S Asia, Malaya, and the Philippines. Also called the colugo, the flying lemur is brownish or grayish above and paler below. It ra...