As noted by Bob Bakker , lambeosaurines have narrower beaks than hadrosaurines , implying that Lambeosaurus and its relatives could feed more selectively than their broad-beaked , crestless counterparts .
Lambeosaurines have narrower beaks than hadrosaurines , which suggests that Lambeosaurus and its relatives could feed more selectively than their broad-beaked , crestless counterparts .