Going Against Maternal Instinct
Swimming as fast and as hard as she possibly could, the determined mother bear tried with all her might to cross the lake. But facing winds and strong currents, she began to grow tired long before her mission had been completed.
Source: Science101.com
The moment of realization came, and the mother bear knew that the three of them would not be able to make it. Out of sheer panic, she did something that goes against all natural maternal instincts.