Odour 'misinformation' fools feral cats, ferrets and hedgehogs into ignoring nesting shorebirds Posted WedWednesday 10 MarMarch 2021 at 7:00pm The wrybill or ngutuparore is the only species of bird with a beak bent sideways in one direction. It's also highly vulnerable to predation while nesting. ( Share Print text only Cancel Grant Norbury didn't anticipate his ecology career would take him traipsing around river plains in the middle of New Zealand's South Island, squirting blobs of stinky chicken goo from a syringe and spreading it over rocks with a gloved finger. Key points: Migratory shorebirds on New Zealand's South Island are easy pickings for predators