10% to be a dud.

Director 2.679%, Pacer 2.531%, Rivaltron 2.49%, Rivalroid 2.473%, Rivaltron MKII 2.341%, Trapper 2.321%, Cursor 2.185%, Dual 2.13%, Brawler 2.113%, Rivalroid MKII 2.104%, Engine 2.099%, Maker 2.024%, Brander 1.915%, Strider 1.898%, Cycler 1.876%, Sniper 1.858%, Rivaltron MKIII 1.792%, Snare 1.789%, Basic 1.72%, Wielder 1.654%, Rivalroid MKIII 1.634%, Program X32 1.497%, Shooter 1.468%, Dover 1.41%, Caster 1.354%, Squirmer 1.255%, Handler 1.212%, Cape 1.194%, Trawler 1.044%, Stupor 1.029%, Comsat 1.012%, Faer 1.004%, Sorbet 1.002%, Former 0.993%, Authmend 0.981%, Shade 0.981%, Stanchion 0.979%, Mantler 0.973%, Togger 0.968%, Loafer 0.951%, Foster 0.949%, Begetter 0.939%, Seizer 0.935%, Metadapt 0.927%, Major 0.926%, Agent 0.922%, Blazer 0.919%, Purlin 0.915%, Carbonator 0.908%, Feather 0.906%, Loader 0.898%, Beguiler 0.885%, Hotbed 0.883%, Bunco 0.87%, Lazzar 0.867%, Quill 0.857%, Cloak 0.854%, Charter 0.846%, Exerter 0.843%, Ethive 0.83%, Coetidae 0.816%, Murker 0.766%, Empyrean 0.739%, Illwitter 0.679%, Wriggler 0.671%, Bolter 0.662%, Embracer 0.534%, Legendary Winged Basic 0.501%, Pedibrou 0.415%, Super Quill 0.403%, Beamgazer 0.375%, NEO 0.317%, Thrasher 0.288%, Miracle Star 0.019%, and Hellion 0.005%

Hatches in 5-10 minutes, taking longer if the spawn is a higher rank. Hatches 10% faster in warm, sheltered regions.

Splats when thrown, otherwise not doing much.