Random triples
| Subject | Object |
|---|---|
| gptkb:Commerson's_Dolphin | nurtures calves for 1-2 years |
| gptkb:Phoca_vitulina | high maternal investment |
| gptkb:marine_mammals | nurtures calves for up to 2 years |
| gptkb:finless_porpoise | nurtures young for up to 1 year |
| gptkb:Pink_river_dolphin | Nursing for 6 months |
| gptkb:Gray's_Whale | nurtures calf for about 6-7 months |
| gptkb:the_pink_river_dolphin | nurtures for several years |