Bird eggs intercepted in homemade incubators at Johannesburg airport as officials try to halt wildlife traffickingSouth African police have arrested two Thai nationals in separate incidents for allegedly attempting to smuggle endangered parrot eggs out of the country as authorities try to stem the tide of wildlife trafficking.A 50-year-old Thai national was arrested at OR Tambo international airport in Johannesburg on 20 August, carrying 50 bird eggs in a homemade incubator in a hand-luggage bag