Home›Mammals›NatureServe Rank›G4 Apparently SecureBrowse ByG4 Apparently SecureFactsG4 Apparently SecureSourcesComments (0)Reader Challenges (0)FactsComparisonReproductive ModeWell-attestedViviparous (Live-Bearing) 1G4 Apparently SecureFilter Results30 entriesCommon GroupAllBats (Chiroptera) (1)Bears (1)Carnivorans (7)Cats (3)Cetaceans (Whales, Dolphins and Porpoises) (11)Even-Toed Ungulates (Artiodactyla) (6)Mustelids, Procyonids And Other Carnivorans (3)Pinnipeds (Seals, Sea Lions and the Walrus) (4)Rodents And Lagomorphs (1)Everyday GroupAllBats (Chiroptera) (1)Bears (1)Cats (3)Cetaceans (Whales, Dolphins and Porpoises) (11)Even-Toed Ungulates (Artiodactyla) (6)Mustelids, Procyonids And Other Carnivorans (3)Pinnipeds (Seals, Sea Lions and the Walrus) (4)Rodents And Lagomorphs (1)HabitatAllAlpine (1)Boreal Forest (1)Chaparral (1)Desert (1)Estuary (1)Grassland (3)Intertidal Zone (1)Kelp Forest (1)Mangrove Forest (1)Marine (8)Montane Grasslands and Shrublands (1)Neritic Zone (1)Open Ocean (6)Riparian Zone (1)River (1)Savanna (1)Sea Ice (2)Temperate Coniferous Forest (1)Temperate Forest (2)Tropical Rainforest (2)Wetlands (1)Where It LivesAllAfrica (1)Antarctica (2)Argentina (4)Austria (1)Belgium (10)Belize (3)Bolivia (3)Botswana (1)Brazil (9)Bulgaria (1)Canada (4)China (2)Colombia (10)Comoros (6)Costa Rica (3)Denmark (9)Ecuador (9)El Salvador (2)Eritrea (2)Eswatini (1)France (3)Greece (3)Guatemala (3)Guyana (3)Honduras (3)Iceland (1)Ireland (3)Japan (1)Kazakhstan (1)Kenya (6)Kyrgyzstan (1)Madagascar (6)Mauritius (6)Mexico (18)Mongolia (2)Mozambique (7)Namibia (6)Netherlands (3)New Zealand (5)Nicaragua (3)North America (15)Norway (16)Panama (3)Paraguay (3)Peru (3)Poland (4)Portugal (3)Romania (1)Russia (2)Senegal (1)Seychelles (6)Slovenia (1)South Africa (1)South America (3)South Asia (3)Spain (3)Suriname (3)Sweden (2)Taiwan (7)Tanzania (6)Trinidad and Tobago (1)Ukraine (1)United Kingdom (3)United States (5)Uruguay (2)Venezuela (10)Zimbabwe (1)Conservation StatusAllData Deficient (1)Endangered (1)Least Concern (21)Near Threatened (4)Vulnerable (1)DietAllCarnivore (8)Filter Feeder (2)Herbivore (7)Insectivore (2)Omnivore (1)Piscivore (10)System (Realm)AllMarine (15)Marine and Freshwater (1)Terrestrial (15)Living or ExtinctAllYes (30)Population TrendAllDecreasing (1)ThreatsAllAgriculture and Aquaculture (1)Biological Resource Use (4)Climate Change and Severe Weather (1)Pollution (2)Relationship to PeopleAllAgricultural or Structural Pest (1)Disease Vector (2)Hunted or Fished (23)Kept as Pets (2)No Significant Interaction with Humans (1)Used in Traditional Medicine (1)CITES AppendixAllAppendix I (7)Appendix II (11)Appendix III (1)Not Listed (10)EcosystemAllAmazon Rainforest (2)Antarctic Peninsula (1)Arctic Ocean (4)Atlantic Forest (1)Cerrado (1)Fiordland (1)Great Plains (1)Gulf of California (1)Kelp Forests (1)Llanos (1)Mojave Desert (1)Okavango Delta (1)Pacific Northwest Temperate Rainforest (1)Pantanal (1)Ross Sea (1)Svalbard (2)Wadden Sea (1)Yasuní (1)Yellowstone (3)TaxonomyAllArtiodactyla (4)Balaenopteridae (1)Cervus (2)Cetacea (1)Conepatus (1)Delphinidae (4)Lagenorhynchus (1)Leopardus (2)Monodontidae (1)Mustelidae (1)Odobenidae (1)Panthera (1)Phoca (1)Phocidae (1)Phocoenidae (1)Pseudorca (1)Pusa (1)Rodentia (1)Spilogale (1)Stenella (1)Ursidae (1)Vespertilionidae (1)Show ResultsBrowseCompareSelect all 30Alashan wapitiG4 Apparently SecureAlpine IbexG4 Apparently SecureAltai WapitiG4 Apparently SecureAmerican Hog-nosed SkunkG4 Apparently SecureBearded SealG4 Apparently SecureBighorn SheepG4 Apparently SecureBlack-tailed Prairie DogG4 Apparently SecureClymene dolphinG4 Apparently SecureEastern Spotted SkunkG4 Apparently SecureElkG4 Apparently SecureFalse killer whaleG4 Apparently SecureGray WhaleG4 Apparently SecureGreater KuduG4 Apparently SecureGrizzly BearG4 Apparently SecureHarbour PorpoiseG4 Apparently SecureHumpback WhaleG4 Apparently SecureJaguarG4 Apparently SecureMargayG4 Apparently SecureMelon-headed whaleG4 Apparently SecureNarwhalG4 Apparently SecureOcelotG4 Apparently SecureOrcaG4 Apparently SecurePygmy killer whaleG4 Apparently SecureRinged SealG4 Apparently SecureRough-toothed dolphinG4 Apparently SecureSea OtterG4 Apparently SecureSilver-haired batG4 Apparently SecureSpotted SealG4 Apparently SecureWalrusG4 Apparently SecureWhite-beaked dolphinG4 Apparently SecureSources1. 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.