If indeed the dinosaurs went extinct since the global flood, then some other force was involved with their demise. Given the proclivity of humans to cause harm or death to plants and animals, they should not be overlooked as a possible explanation. Most, if not all, organism extinctions since humans began to keep records were either directly or indirectly due to human causation.
Humans have a natural instinct to kill any animal that possesses a threatening imposition. Historically, reptiles of any significant size have been automatically and immediately killed when in the proximity of human habitats. Large reptiles the size of dinosaur would certainly be perceived as a threat and hunted-down by humans possessing hunting capabilities. It should be noted that we use "Dinosaur" in reference to a group of large reptilian animals as did the term dragon in ancient civilizations. However, historical accounts of these dinosaur-sized animals are being dismissed as mythological because such creature are presumed to have gone extinct millions of years before man walked the Earth.
Creation science posits that dinosaurs lived in harmony with other animals, (probably including in the Garden of Eden) eating only plants; that pairs of each dinosaur kind were taken onto Noah's Ark during the Great Flood and were preserved from drowning; that many of the fossilized dinosaur bones originated during the mass killing of the Flood; and that possibly some descendants of those dinosaurs taken aboard the Ark are still around today. At least 300 distinct genera of dinosaur have been identified.
From China there were claims that more than 1,000 people had seen a dinosaur-like monster in two sightings around Sayram Lake in Xinjiang.
From Scotland came the latest Loch Ness monster sighting: Mrs Edna MacInnes reported on June 24 that she had seen a 15-metre-long creature with a neck like a giraffe in Loch Ness.
Yet fresh, unfossilized dinosaur bones have been found. In 1987, a young Inuit (Canadian Eskimo), working with scientists from Memorial University, Newfoundland (Canada), on Bylot Island, found a bone which was identified as part of a lower jaw of a duckbill dinosaur.