Build a Bird Nest

Have a go at building a birds nest will it be strong and safe enough to hold pebble eggs? Birds nests need to be strong and sturdy enough to withstand wind, while still being cosy. Could you make a nest that's up to the test? Experiment with different natural materials what works best? Is your nest stronger with mud, or is it better without it? Have a go at building your nest with one hand birds only have their beaks, after all!