| Survival decreases more steeply for rearmost positions due to stochastic factors differentially affecting mortality of subordinate sibs. |
| Many SIBs would previously have been recorded as would-be suicides. |
| In contrast, males that encountered mole-rat scent behaved differently, in several ways, to their sibs that encountered predator scent. |
| When your friends throw you a surprise party, they invite your family too, including your little sibs. |
| If you're supposed to watch your baby sibs one night so Dad can take Mom for a dinner date, do it. |
| This allowed experimental chicks to be more successful at competing with sibs when they were returned to their natal nest after the hand-rearing period. |
