The Colombian Grebe (Podiceps andinus), was a grebe found in the Bogotá wetlands in the Eastern Andes of Colombia. The species was still abundant on Lake Tota in 1945, but numbers reduced in the 1950s as a combined result of drainage, pollution, hunting and predation by introduced Rainbow trout. The last confirmed record was in 1977. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Phyla Subregnum Parazoa Porifera (sponges) Subregnum Agnotozoa Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Orthonectida (parasitic to flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Many - see section below. ... Genera Podiceps Tachybaptus Podilymbus Aechmophorus Poliocephalus Rollandia Grebes are members of the Podicipediformes order, a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter. ... Genera Podiceps Tachybaptus Podilymbus Aechmophorus Poliocephalus Rollandia Grebes are members of the Podicipediformes, a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter. ... Species See text Podiceps is a genus of birds in the grebe family. ... In biology, binomial nomenclature is the formal method of naming species. ... Rodolphe Meyer de Schauensee (January 4, 1901 - April 24, 1984) was an American ornithologist. ... Genera Podiceps Tachybaptus Podilymbus Aechmophorus Poliocephalus Rollandia Grebes are members of the Podicipediformes order, a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter. ... The Andes between Chile and Argentina The Andes form the longest mountain chain in the world. ... Satellite view of Lake Tota. ... Binomial name Oncorhynchus mykiss Walbaum, 1792 The rainbow trout (Oncorhynchus mykiss, formerly Salmo iridia) is a single species of trout native to the Pacific Ocean and in North American rivers and lakes west of the Rocky Mountains. ...
Grebes are members of the Podicipediformes order, a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter.
ColombianGrebe, Podiceps andinus - extint (1977) : The ColombianGrebe (Podiceps andinus), was a grebe found in the Bogotá wetlands in the Eastern Andes of Colombia.
The decline of the Colombiangrebe is attributed to wetland drainage, siltation, pesticide pollution, disruption by reed harvesting, hunting, competition, and predation of chicks by rainbow trout (Salmo gairdneri) (del Hoyo et al.