for the bird ending, you need to start by releasing the bird and growing the flower, then take cheese and put it to the wooden thing above the shelf and then put wings to mouse, figure rest out yourself.
Solid wall of land mines is good thing, once i had map where near enemy end 3 small stones formed a pocket of some sort where i stashed my engineer, and then between waves i had time to put new mines ^^
Calon, bazookas usually take long time to pick targets, expects if targets are rather largish eg. tanks, so if their targets are shot before they shoot, they need to pick new ones.
can get white eggs from disbanding over level 10 creatures, it can also give you berries or very rarely blue eggs. Combine 3 of them to make random blue egg = not good.