The Guardian Cryptic puzzle clues 2023 Apr 04

• A bird traversing lake, a noted flyer Crossword Clue
• Absence of instruments to welcome in golden prizewinners Crossword Clue
• Aids to those researching wicked Etonian squires Crossword Clue
• Amateur seaman turned up for party Crossword Clue
• A submarine captain, first person to attempt meteorological technique Crossword Clue
• Bar left in sack Crossword Clue
• Brief about pee containing metallic element Crossword Clue
• Catch caught on river, suitable for catching Crossword Clue
• Difficulty leads to jazz singer making a complaint Crossword Clue
• Doctor shower's output, not right Crossword Clue
• Extended treatise penned by professional wordsmith Crossword Clue
• Fossils — a couple of thousand on new site Crossword Clue
• Friendly note within an urgent message? Crossword Clue
• Hawkish type with various cruelties putting us off Crossword Clue
• It's marvellous to celebrate drinking squash Crossword Clue
• Observe learner keeping quiet — backward type interacting weakly Crossword Clue
• Parlay has a king thus functioning Crossword Clue
• Payer regarding Spooner's dividend Crossword Clue
• Pilgrim's bad experience somewhere near Windsor Crossword Clue
• Problem with this Roman vessel Crossword Clue
• Protective plate supports gemstone Crossword Clue
• Spoil vote, as one looking for revolution? Crossword Clue
• Swimming race — a time to dive in Crossword Clue
• Tavern's purple fruit not popular Crossword Clue
• Weapon to pass through the East End? Crossword Clue
• What's said to be terrible root crop or plant Crossword Clue
• Yield from what's sown in garden, reportedly Crossword Clue
• You might notice it in one bar, I fancy Crossword Clue