Home›Mammals›NatureServe Rank›G5 SecureBrowse ByG5 SecureFactsG5 SecureSourcesComments (0)Reader Challenges (0)FactsComparisonReproductive ModeWell-attestedViviparous (Live-Bearing) 1G5 SecureFilter Results63 entriesCommon GroupAllBears (1)Carnivorans (18)Cats (4)Cetaceans (Whales, Dolphins and Porpoises) (10)Dogs And Wild Canids (5)Even-Toed Ungulates (Artiodactyla) (10)Insectivores And Shrews (Eulipotyphla) (1)Mustelids, Procyonids And Other Carnivorans (8)Pinnipeds (Seals, Sea Lions and the Walrus) (7)Rodents And Lagomorphs (17)Everyday GroupAllBears (1)Cats (4)Cetaceans (Whales, Dolphins and Porpoises) (10)Dogs And Wild Canids (5)Even-Toed Ungulates (Artiodactyla) (10)Insectivores And Shrews (Eulipotyphla) (1)Mustelids, Procyonids And Other Carnivorans (8)Pinnipeds (Seals, Sea Lions and the Walrus) (7)Rodents And Lagomorphs (17)HabitatAllBog (2)Boreal Forest (8)Chaparral (7)Coral Reef (1)Desert (16)Estuary (1)Freshwater (2)Freshwater Marsh (2)Grassland (6)Intertidal Zone (2)Lake (2)Marine (4)Montane Grasslands and Shrublands (1)Neritic Zone (2)Open Ocean (9)Riparian Zone (1)River (5)Savanna (1)Sea Ice (1)Steppe (2)Temperate Forest (7)Tundra (7)Wetlands (4)Xeric Shrubland (2)Where It LivesAllAfrica (8)Albania (4)Angola (1)Antigua and Barbuda (3)Argentina (13)Armenia (2)Australia (9)Austria (8)Azerbaijan (3)Bahamas (5)Bahrain (1)Barbados (2)Belarus (4)Belgium (26)Belize (3)Bolivia (9)Bosnia and Herzegovina (3)Botswana (2)Brazil (17)Bulgaria (5)Cabo Verde (1)Canada (15)Chile (11)China (3)Colombia (17)Comoros (5)Costa Rica (3)Croatia (4)Cuba (5)Cyprus (9)Czechia (4)Denmark (23)Dominica (1)Dominican Republic (6)Ecuador (14)Egypt (1)El Salvador (2)Eritrea (4)Estonia (1)Eswatini (1)Federated States of Micronesia (1)Finland (5)France (14)Gabon (1)Georgia (3)Germany (10)Greece (8)Grenada (1)Guatemala (2)Guyana (2)Haiti (1)Honduras (2)Hungary (5)Indonesia (2)Ireland (11)Italy (9)Jamaica (3)Japan (4)Kazakhstan (6)Kenya (7)Kyrgyzstan (4)Luxembourg (3)Madagascar (6)Marshall Islands (2)Mauritius (5)Mexico (33)Mozambique (7)Namibia (2)Netherlands (6)New Zealand (10)Nicaragua (2)North America (50)Norway (33)Panama (2)Peru (2)Poland (7)Portugal (9)Romania (2)Russia (15)Saint Lucia (2)Serbia (4)Seychelles (8)South Africa (2)South America (12)South Asia (12)Spain (21)Suriname (2)Sweden (16)Switzerland (4)Taiwan (10)Tajikistan (4)Tanzania (6)Turkmenistan (4)Ukraine (11)United Kingdom (9)United States (22)Uruguay (2)Uzbekistan (4)Vanuatu (2)Venezuela (12)Showing the 100 most common of 113 options.Conservation StatusAllEndangered (2)Least Concern (55)Near Threatened (3)Not Evaluated (1)Vulnerable (2)DietAllCarnivore (14)Frugivore (2)Herbivore (25)Insectivore (1)Omnivore (6)Piscivore (15)System (Realm)AllFreshwater (8)Marine (19)Marine and Freshwater (1)Terrestrial (41)Terrestrial and Freshwater (2)Living or ExtinctAllYes (63)ThreatsAllClimate Change and Severe Weather (3)Invasive and Other Problematic Species, Genes and Diseases (2)Relationship to PeopleAllAgricultural or Structural Pest (8)Disease Vector (2)Domesticated (4)Farmed or Commercially Raised (1)Hunted or Fished (38)Invasive or Introduced Species (11)Kept as Pets (3)No Significant Interaction with Humans (2)Pollinator (1)Used in Traditional Medicine (1)CITES AppendixAllAppendix I (7)Appendix II (17)Appendix III (3)Not Listed (41)EcosystemAllAmazon Rainforest (1)Arabian Desert (1)Arctic Ocean (3)Arctic Tundra (5)Atlantic Forest (1)Black Forest (1)Canadian Boreal Forest (5)Cerrado (1)Chernobyl Exclusion Zone (2)Danube Delta (2)Deep Sea (1)Doñana (3)Everglades (2)Great Plains (2)Greenland Ice Sheet (1)Gulf of California (1)Heath (1)Lake Baikal (2)Llanos (2)Pampas (1)Pantanal (1)Scandinavian Taiga (1)Siberian Taiga (1)Sky Island (1)Sonoran Desert (1)Svalbard (1)Yellowstone (7)TaxonomyAllArtiodactyla (8)Bovidae (1)Canis (3)Carnivora (1)Castor (1)Delphinidae (3)Eulipotyphla (1)Globicephala (2)Heteromyidae (1)Lagomorpha (2)Leporidae (2)Lepus (2)Lontra (1)Lynx (2)Mephitidae (1)Mirounga (1)Monodontidae (1)Mustelidae (3)Nasua (1)Otariidae (1)Phoca (1)Phocidae (4)Procyonidae (2)Puma (1)Rodentia (9)Stenella (4)Ursidae (1)Vulpes (2)Show ResultsBrowseCompareSelect all 50American Black BearG5 SecureAmerican MinkG5 SecureAmerican PikaG5 SecureArctic Fox (Vulpes lagopus)G5 SecureAtlantic spotted dolphinG5 SecureBaja California pronghornG5 SecureBeaverG5 SecureBeluga WhaleG5 SecureBobcatG5 SecureCalifornia Sea LionG5 SecureCanada LynxG5 SecureCommon Bottlenose DolphinG5 SecureCommon dolphinG5 SecureCougarG5 SecureCoyoteG5 SecureEastern ChipmunkG5 SecureEastern Gray SquirrelG5 SecureEuropean HareG5 SecureEuropean mouflonG5 SecureEuropean polecatG5 SecureEuropean RabbitG5 SecureGray WolfG5 SecureGrey SealG5 SecureGroundhogG5 SecureHarbor SealG5 SecureHarp SealG5 SecureHooded SealG5 SecureHooded SkunkG5 SecureHouse MouseG5 SecureLeast WeaselG5 SecureLong-finned pilot whaleG5 SecureMarsh rabbitG5 SecureMexican spiny pocket mouseG5 SecureMooseG5 SecureMountain CottontailG5 SecureMountain GoatG5 SecureMuskoxG5 SecureMuskratG5 SecureNorth American BeaverG5 SecureNorth American PorcupineG5 SecureNorth American River OtterG5 SecureNorthern Elephant SealG5 SecureNutriaG5 SecurePantropical spotted dolphinG5 SecurePronghornG5 SecureRaccoonG5 SecureRed FoxG5 SecureReindeerG5 SecureRibbon SealG5 SecureRing-tailed CatG5 SecureShowing 1 to 50 of 63, page 1 of 2.12Next →Sources1. Wikipedia: Mammaltier 2WikipediaMammal, lead sectionQuote, Mammal, lead sectionAll modern mammals give birth to live young, except the five species of monotremes, which lay eggs.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.