The smaller ones have been insectivores (eating insects), but others may have eaten fish (which they caught at the surface of the oceans), mollusks, crabs, perhaps plankton (for some species), insects (which were generally larger during the Mesozoic Era ), and scavenged dead animals on land.
(The smaller ones; have been; insectivores (eating insects) (insectivores; eating; insects) (others; may have eaten; fish; T:which they caught at the surface of the oceans) (they; caught; L:at the surface of the oceans) (insects; were; generally larger; T:during the Mesozoic Era)
The smaller ones insectivores others they insects
have been eating may have eaten caught were
insectivores (eating insects
insects
fish T:which they caught at the surface of the oceans
L:at the surface of the oceans
generally larger T:during the Mesozoic Era