--- a/net/minecraft/world/entity/animal/frog/ShootTongue.java
+++ b/net/minecraft/world/entity/animal/frog/ShootTongue.java
@@ -19,6 +19,10 @@
 import net.minecraft.world.level.pathfinder.PathEntity;
 import net.minecraft.world.phys.Vec3D;
 
+// CraftBukkit start
+import org.bukkit.event.entity.EntityRemoveEvent;
+// CraftBukkit end
+
 public class ShootTongue extends Behavior<Frog> {
 
     public static final int TIME_OUT_DURATION = 100;
@@ -84,7 +88,7 @@
             if (entity.isAlive()) {
                 frog.doHurtTarget(worldserver, entity);
                 if (!entity.isAlive()) {
-                    entity.remove(Entity.RemovalReason.KILLED);
+                    entity.remove(Entity.RemovalReason.KILLED, EntityRemoveEvent.Cause.DEATH); // CraftBukkit - add Bukkit remove cause
                 }
             }
         }