Bird fallout or migration fallout is the result of severe weather preventing migratory birds from reaching their destination. This can occur while birds are traveling south or returning to their breeding grounds.[1] Due to the distance travelled, birds will not have enough energy to continue flight when encountering high winds. This exhaustion results in many birds resting in one area. This may be very stressful on the birds and on the surrounding ecology.[1] Bird fallout is not particularly common, as it stems from the chance event of severe winds found in inclement weather. Due to the rare occurrence of a migratory fallout, as well as the abundance of birds resting in a single location, it is a sought-after event for birders.